Average duration of knee prosthetic surgery, number of days

Total mean care time for knee prosthetic surgery, is calculated as total care time in days divided by the total number of knee prosthetic surgery. The duration of care in days is calculated as the discharge date minus the date of enrolment. The data refer to the total utilisation of healthcare for the population of the region. Data is available according to gender breakdown.膝关节假体手术（knee prosthetic surgery）的总平均护理时长，计算方式为以日为单位的总护理时长除以该类手术的总例数。护理时长（以日计）的计算方法为出院日期减去入组日期。本数据集涵盖该区域人群的医疗服务总使用情况相关数据，且可按性别维度进行细分查询。