Posterior approach to Calot’s triangle in situs inversus totalis: A case report and review of literature

Table 1 Demographic characteristics and clinical presentation of reported situs inversus totalis patients undergoing laparoscopic cholecystectomy (n = 110), mean ± SD/n (%)

Variables	Value
Demographics
Age, years (n = 109)	47.2 ± 12.8
Age, years (range)	20-76
Sex
Male	28 (25.5)
Female	82 (74.5)
Preoperative diagnosis
Chronic cholecystitis	38 (34.6)
Acute cholecystitis	27 (24.4)
Cholelithiasis/symptomatic gallstone disease	43 (39.1)
Other	2 (1.8)
Primary pain location
Left upper quadrant/hypochondrium	71 (65.1)
Epigastric	28 (25.7)
Right upper quadrant	3 (2.8)
Other/not specified	7 (6.4)

Age was missing in 1 case; the age summary is based on available cases (n = 109). Diagnostic categories were extracted as stated in the original reports and were not reclassified. Primary pain location was extracted as reported. Cases described only as “abdominal pain” without a specified location were categorized as “other/not specified”.