public function processEditStatsAction()
 {
     $personId = (int) $this->_getParam('personId');
     $name = $this->_getParam('name');
     $value = $this->_getParam('value');
     $ret = PatientStatisticsDefinition::updatePatientStatistics($personId, $name, $value);
     $json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
     $json->suppressExit = true;
     $json->direct($ret);
 }