Moreover, postvoid residual volume >100 mL, longer length of hospital stays, prolonged duration of an indwelling catheter, higher modified Rankin scale score, higher white blood cell count, higher copeptin, and higher procalcitonin were also reported to be high-risk factors for UTI after stroke (6, 8, 9, 13, 15–18, 33–35). The gene discussed is AVP; the disease is bacterial urinary tract infection.