library/classes/rulesets/Cqm/reports/NFQ_0421/InitialPatientPopulation.php

   1 <?php
   2 // Copyright (C) 2011 Ken Chapple <ken@mi-squared.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_0421_InitialPatientPopulation implements CqmFilterIF
  10 {
  11     public function getTitle()
  12     {
  13         return "Initial Patient Population";
  14     }
  15
  16     public function test(CqmPatient $patient, $beginDate, $endDate)
  17     {
  18         $age = intval($patient->calculateAgeOnDate($beginDate));
  19         if ($age >= 18 && $age <= 64) {
  20             $oneEncounter = array( Encounter::OPTION_ENCOUNTER_COUNT => 1 );
  21             if (Helper::check(ClinicalType::ENCOUNTER, Encounter::ENC_OUTPATIENT, $patient, $beginDate, $endDate, $oneEncounter)) {
  22                 return true;
  23             }
  24         }
  25
  26         return false;
  27     }
  28 }