library/classes/rulesets/Cqm/reports/NFQ_0028b/Numerator.php

   1 <?php
   2 // Copyright (C) 2011 Brady Miller <brady.g.miller@gmail.com>
   3 //
   4 // This program is free software; you can redistribute it and/or
   5 // modify it under the terms of the GNU General Public License
   6 // as published by the Free Software Foundation; either version 2
   7 // of the License, or (at your option) any later version.
   8 //
   9 class NFQ_0028b_Numerator implements CqmFilterIF
  10 {
  11     public function getTitle()
  12     {
  13         return "Numerator";
  14     }
  15
  16     public function test(CqmPatient $patient, $beginDate, $endDate)
  17     {
  18         // See if user has been counseled to stop smoking or been prescribed a smoking cessations medication within last 24 months
  19         foreach ($this->getApplicableEncounters() as $encType) {
  20             $dates = Helper::fetchEncounterDates($encType, $patient, $beginDate, $endDate);
  21             foreach ($dates as $date) {
  22                 // encounters time stamp is always 00:00:00, so change it to 23:59:59 or 00:00:00 as applicable
  23                 $date = date('Y-m-d 23:59:59', strtotime($date));
  24                 $beginMinus24Months = strtotime('-24 month', strtotime($date));
  25                 $beginMinus24Months = date('Y-m-d 00:00:00', $beginMinus24Months);
  26                 $smoke_cess = sqlQuery("SELECT * FROM `rule_patient_data` " .
  27                                        "WHERE `category`='act_cat_inter' AND `item`='act_tobacco' AND `complete`='YES' " .
  28                                        "AND `pid`=? AND `date`>=? AND `date`<=?", array($patient->id,$beginMinus24Months,$date));
  29                 // this is basically a check to see if the patient's action has occurred in the two years previous to encounter.
  30                 // TODO: how to check for the smoking cessation medication types (can also just be a smoking cessation order, ie. prescription)
  31                 if (!(empty($smoke_cess)) ||
  32                      Helper::checkMed(Medication::SMOKING_CESSATION, $patient, $beginMinus24Months, $date) ||
  33                      Helper::checkMed(Medication::SMOKING_CESSATION_ORDER, $patient, $beginMinus24Months, $date) ) {
  34                     return true;
  35                 }
  36             }
  37         }
  38
  39         return false;
  40     }
  41
  42     private function getApplicableEncounters()
  43     {
  44         return array(
  45             Encounter::ENC_OFF_VIS,
  46             Encounter::ENC_HEA_AND_BEH,
  47             Encounter::ENC_OCC_THER,
  48             Encounter::ENC_PSYCH_AND_PSYCH,
  49             Encounter::ENC_PRE_MED_SER_18_OLDER,
  50             Encounter::ENC_PRE_IND_COUNSEL,
  51             Encounter::ENC_PRE_MED_GROUP_COUNSEL,
  52             Encounter::ENC_PRE_MED_OTHER_SERV );
  53     }
  54 }