Exemple #1
0
class RelatedOrders(BaseDynamicData):
    """Simple script to (dynamically) relay query and result data
    from the ItemRecommendation module in URL request then HTML table format.
    """
    def __init__(self):
        BaseDynamicData.__init__(self)

        self.requestData["searchStr"] = ""
        self.requestData["analysisStatus"] = "1"

        self.requestData["sim_patient_id"] = ""
        self.requestData["sim_time"] = ""

        self.requestData["sourceTables"] = "stride_order_proc,stride_order_med"
        # Default comma-separated list of source tables to expect orders to reside in
        self.requestData["queryItemIds"] = ""
        self.requestData["targetItemIds"] = ""
        self.requestData["excludeItemIds"] = ""
        self.requestData["excludeCategoryIds"] = ""
        self.requestData["timeDeltaMax"] = "86400"
        # Look for recommendations likely within 24 hours
        self.requestData["sortField"] = ""
        self.requestData["enableRecommender"] = "True"
        # By default, asssume recommender is enabled
        self.requestData["displayFields"] = ""
        #"prevalence","PPV","RR","P-YatesChi2"
        self.requestData["sortReverse"] = "True"
        self.requestData["nPreCols"] = "1"
        self.requestData["groupByCategory"] = "True"
        self.requestData["resultCount"] = "10"
        # Default for related order search
        self.requestData["invertQuery"] = ""
        self.requestData["showCounts"] = ""
        self.requestData["countPrefix"] = "patient_"
        self.requestData["aggregationMethod"] = "weighted"

        self.requestData["title"] = "Order Search Results"
        self.requestData["fieldHeaders"] = ""
        self.requestData[
            "dataRows"] = '<tr><td colspan=100 align=center height=200><img src="../../resource/ajax-loader.gif"></td></tr>'

        self.addHandler("searchStr", RelatedOrders.action_orderSearch.__name__)
        self.addHandler("RelatedOrders", RelatedOrders.action_default.__name__)

    def action_orderSearch(self):
        """Search for orders by query string"""
        manager = SimManager()
        query = ClinicalItemQuery()
        query.parseParams(self.requestData)
        query.sourceTables = self.requestData["sourceTables"].split(",")
        results = manager.clinicalItemSearch(query)

        lastModel = None
        for dataModel in results:
            dataModel["controls"] = CONTROLS_TEMPLATE % dataModel
            dataModel["nPreCols"] = self.requestData["nPreCols"]
            dataModel["category_description.format"] = ""
            if lastModel is None or lastModel[
                    "category_description"] != dataModel[
                        "category_description"]:
                dataModel[
                    "category_description.format"] = "<b>%s</b>" % dataModel[
                        "category_description"]
                # Only show category if new
            lastModel = dataModel

        colNames = ["controls", "description"]
        # "name" for order code. ,"category_description.format"
        lastModel = None
        htmlLines = list()
        for dataModel in results:
            newCategory = (lastModel is None
                           or lastModel["category_description"] !=
                           dataModel["category_description"])
            showCategory = (self.requestData["groupByCategory"]
                            and newCategory)
            # Limit category display if many repeats
            if showCategory:
                htmlLines.append(CATEGORY_HEADER_TEMPLATE % dataModel)
            htmlLines.append(
                self.formatRowHTML(dataModel, colNames, showCategory))
            lastModel = dataModel
        self.requestData["dataRows"] = str.join("\n", htmlLines)

    def action_default(self):
        """Look for related orders by association / recommender methods"""
        # If patient is specified then modify query and exclusion list based on items already ordered for patient
        recentItemIds = set()
        if self.requestData["sim_patient_id"]:
            patientId = int(self.requestData["sim_patient_id"])
            simTime = int(self.requestData["sim_time"])

            # Track recent item IDs (orders, diagnoses, unlocked results, etc. that related order queries will be based off of)
            manager = SimManager()
            recentItemIds = manager.recentItemIds(patientId, simTime)

        # Recommender Instance to test on
        self.recommender = ItemAssociationRecommender()
        self.recommender.dataManager.dataCache = webDataCache
        # Allow caching of data for rapid successive queries

        query = RecommenderQuery()
        if self.requestData["sortField"] == "":
            self.requestData["sortField"] = "P-YatesChi2-NegLog"
            # P-Fisher-NegLog should yield better results, but beware, much longer to calculate
        query.parseParams(self.requestData)
        if len(query.excludeItemIds) == 0:
            query.excludeItemIds = self.recommender.defaultExcludedClinicalItemIds(
            )
        if len(query.excludeCategoryIds) == 0:
            query.excludeCategoryIds = self.recommender.defaultExcludedClinicalItemCategoryIds(
            )
        #query.fieldList.extend( ["prevalence","PPV","RR"] );
        displayFields = list()
        if self.requestData["displayFields"] != "":
            displayFields = self.requestData["displayFields"].split(",")

        # Exclude items already ordered for the patient from any recommended list
        query.excludeItemIds.update(recentItemIds)
        if not query.queryItemIds:  # If no specific query items specified, then use the recent patient item IDs
            query.queryItemIds.update(recentItemIds)

        recommendedData = self.recommender(query)

        if len(recommendedData) > 0:
            # Denormalize results with links to clinical item descriptions
            self.recommender.formatRecommenderResults(recommendedData)

        # Display fields should append Format suffix to identify which version to display, but use original for header labels
        (self.requestData["fieldHeaders"], displayFieldsFormatSuffixed
         ) = self.prepareDisplayHeaders(displayFields)

        # Format for HTML and add a control field for interaction with the data
        for dataModel in recommendedData:
            self.prepareResultRow(dataModel, displayFields)

        # Try organize by category
        if self.requestData["groupByCategory"]:
            recommendedData = self.recommender.organizeByCategory(
                recommendedData)

        colNames = ["controls"]
        # "name" for code. ,"category_description"
        colNames.extend(displayFieldsFormatSuffixed)
        colNames.extend(["description"])

        lastModel = None
        htmlLines = list()
        for dataModel in recommendedData:
            newCategory = (lastModel is None
                           or lastModel["category_description"] !=
                           dataModel["category_description"])
            showCategory = (self.requestData["groupByCategory"]
                            and newCategory)
            # Limit category display if many repeats
            if showCategory:
                htmlLines.append(CATEGORY_HEADER_TEMPLATE % dataModel)
            htmlLines.append(
                self.formatRowHTML(dataModel, colNames, showCategory))
            lastModel = dataModel
        self.requestData["dataRows"] = str.join("\n", htmlLines)

    def prepareDisplayHeaders(self, displayFields):
        showCounts = (self.requestData["showCounts"].lower()
                      not in FALSE_STRINGS)

        fieldHeadersHTML = ""
        for displayField in displayFields:
            fieldHeadersHTML += '<th nowrap>' + displayField + '</th>'
        if showCounts:
            fieldHeadersHTML += '<th>' + str.join('</th><th>',
                                                  CORE_FIELDS) + '</th>'

        displayFieldsFormatSuffixed = list()
        for field in displayFields:
            displayFieldsFormatSuffixed.append('%sFormat' % field)
        if showCounts:
            for field in CORE_FIELDS:
                displayFieldsFormatSuffixed.append('%sFormat' % field)

        return (fieldHeadersHTML, displayFieldsFormatSuffixed)

    def prepareResultRow(self, dataModel, displayFields):
        dataModel["controls"] = CONTROLS_TEMPLATE % dataModel
        dataModel["nPreCols"] = len(displayFields) + 1
        # Track spacer columns leading up to order description. +1 for control column
        dataModel["name"] = dataModel["name"].replace(",", "-")

        if "nB" in dataModel:
            if "nAB" not in dataModel:
                # Baseline query without query items, use matching numbers to ensure calculations will have something to process
                dataModel["nAB"] = dataModel["nB"]
                dataModel["nA"] = dataModel["N"]
            nAB = dataModel["nAB"]
            nA = dataModel["nA"]
            nB = dataModel["nB"]
            N = dataModel["N"]
            contStats = ContingencyStats(nAB, nA, nB, N)
            contStats.normalize(truncateNegativeValues=False)

        for field in displayFields:
            if field not in dataModel:
                # Unavailable field, see if it is a derived field that can be calculated
                dataModel[field] = contStats[field]

            if field in CORE_FIELDS:
                pass
            elif field in PERCENT_FIELDS:
                # Format as a percentage
                dataModel["%sFormat" %
                          field] = "%d%%" % (dataModel[field] * 100)
            elif abs(dataModel[field]) < 0.01:
                # Allow formatting for very small values
                dataModel["%sFormat" % field] = "%.0e" % dataModel[field]
            elif abs(dataModel[field]) < 1:
                # Smaller value, show more significant digits
                dataModel["%sFormat" % field] = "%.2f" % dataModel[field]
            else:
                # Default just format as limited floating point values
                dataModel["%sFormat" % field] = "%.1f" % dataModel[field]

        for field in CORE_FIELDS:
            # Count fields express as integers, assuming available at all
            if field in BASELINE_FIELDS:
                dataModel["%sFormat" % field] = "%d" % dataModel[field]
            else:
                # May have small virtual counts from derived scenarios
                if dataModel[field] > 10:
                    dataModel["%sFormat" % field] = "%.1f" % dataModel[field]
                else:
                    dataModel["%sFormat" % field] = "%.2f" % dataModel[field]

    def formatRowHTML(self, dataModel, colNames, showCategory=True):
        """Specific formatting for row data elements
        """
        htmlList = list()
        htmlList.append('<tr valign=top>')
        for col in colNames:
            if col == "category_description":  # Blank out repeat categories
                if showCategory:
                    htmlList.append(
                        '<td align=center><b>%(category_description)s</b></td>'
                        % dataModel)
                else:
                    htmlList.append('<td></td>')
            elif col == "description":
                htmlList.append('<td align=left>')
                htmlList.append(DESCRIPTION_TEMPLATE % dataModel)
                # Only include related link if recommender is enabled
                if self.requestData['enableRecommender'] == "True":
                    htmlList.append(RELATED_LINK_TEMPLATE % dataModel)
                htmlList.append('</td>')
            else:
                htmlList.append('<td align=right>%s</td>' % dataModel[col])
        htmlList.append('</tr>')
        return str.join("\n", htmlList)
admitDxIdSectionGuidelineNameTuples = set()
# Keep track of each guideline name set
itemIdsByAdmitDxId = dict()
for admitDxId, sectionName, guidelineName, itemId, itemName, itemDescription, itemCount in resultsTable:
    if admitDxId not in itemIdsByAdmitDxId:
        itemIdsByAdmitDxId[admitDxId] = set()
    itemIdsByAdmitDxId[admitDxId].add(itemId)
    admitDxIdSectionGuidelineNameTuples.add(
        (admitDxId, sectionName, guidelineName))

recommender = ItemAssociationRecommender()

for admitDxId, itemIds in itemIdsByAdmitDxId.iteritems():
    print >> sys.stderr, admitDxId, len(itemIds)
    recQuery = RecommenderQuery()
    recQuery.excludeItemIds = recommender.defaultExcludedClinicalItemIds()
    recQuery.excludeCategoryIds = recommender.defaultExcludedClinicalItemCategoryIds(
    )
    recQuery.queryItemIds = [admitDxId]
    recQuery.timeDeltaMax = timedelta(1)
    # Within one day
    recQuery.countPrefix = "patient_"
    recQuery.limit = TOP_ITEM_COUNT

    # Top results by P-value
    recQuery.sortField = "P-YatesChi2-NegLog"
    results = recommender(recQuery)
    #recommender.formatRecommenderResults(results);
    for result in results:
        itemIds.add(result["clinical_item_id"])
        #print >> sys.stderr, result["description"];