“…The total number of surgical procedures reported in the included studies was 1370, including gastrointestinal/abdominal (n¼393), 18,20,25,33,40 orthopaedic (n¼352), 17,18,20,33,40,41 obstetric/gynaecologic (n¼166), 16,19,21e23,26,28e31,33e41 cardiothoracic/vascular (n¼146), 20,24,27,33,40 hepatobiliary (n¼62), 33 neurosurgical (n¼47), 20,33,40 head and neck (n¼40), 33 urologic (n¼37), 33 other surgeries (n¼63), 33,40 and missing details (n¼64). 32,33 The schedule of surgeries, where reported, were classed as elective (n¼316), and urgent or emergency (n¼949).…”