“…Only 41.4% (12/29) 6,7,10,11,12,20,21,26,27,28,29,33 provided information about age, and 24.1% (7/29) 6,7,10,20,26,27,33 on gender. As for the unit of analysis, 62.1% (18/29) 6,7,10,11,12,15,18,20,21,24,25,26,27,30,31,32,33,34 used the number of patients or patient charts, 48.3% (14/29) 6,8,9,12,14,16,17,20,22,23,25,28,29,33 the number of admissions or discharges, and 24.1% (7/29) 13,16,17,19,31,…”