console.log('response');
[{"patient_ur":"1234","patient_dob":"1982-02-01","patient_gender":"Female","patient_ident":"Aboriginal","patient_other":"","patient_loc":"Bracken Ridge"}]
let myArray=response;
console.log(Array.isArray([myArray])); //true
console.log(myArray[0]["patient_ur"]); // не работает
console.log(myArray["patient_ur"]); // ..тем более не работае...
var myArray = JSON.parse( response );
console.log( myArray[ 0 ][ "patient_ur" ] );