Table 3.

Comparison of intraoperative and postoperative characteristics between obese and non‐obese groups

	No. of patients (%)
	Non‐obesen = 170	Obesen = 156	p‐value(*p < 0.05)
Time to theatre (hours), median (IQR)	25.3 (17.0–39.7)	27.3 (15.1–44.0)	0.739
Operation duration (minutes), median (IQR)	92 (67.0–132.0)	97 (72.3–133.0)	0.784
Operative findings
GB adhesions <50%	32 (18.8%)	34 (21.8%)	0.505
GB adhesions >50%	34 (20.0%)	20 (12.8%)	0.082
Distended or contracted GB	19 (11.2%)	31 (19.9%)	0.030*
Unable to grasp GB	43 (25.3%)	27 (17.3%)	0.079
Adhesions from previous surgery	9 (5.3%)	5 (3.2%)	0.353
Impacted stone in Hartmann's pouch	20 (11.8%)	36 (23.1%)	0.007*
Bile or pus outside GB	14 (8.2%)	7 (4.5%)	0.168
Time to identify cystic artery and duct >90 min	70 (41.2%)	68 (44.2%)	0.578
Marked local inflammation	42 (24.7%)	38 (24.4%)	0.942
Operative grading score			<0.001*
Mild	101 (59.4%)	37 (23.7%)
Moderate	43 (25.3%)	97 (62.2%)
Severe	26 (15.3%)	22 (14.1%)
Intraoperative factors
Operative drain insertion	63 (37.1%)	55 (35.3%)	0.735
Haemorrhage >200 mL	1 (0.6%)	1 (0.6%)	0.296
Retained gallstones	10 (5.9%)	5 (3.2%)	0.249
Primary operator			0.715
Consultant	8 (4.7%)	5 (3.2%)
Fellow	110 (64.7%)	106 (67.9%)
Registrar	52 (30.6%)	45 (28.8%)
Length of stay (days), median (IQR)	3 (2.0–4.0)	3 (2.0–3.8)	0.318
Conversion rate	0 (0%)	0 (0%)
Bile duct injury	0 (0%)	0 (0%)
Clavien‐Dindo classification			0.851
Minor complication (I–II)	6 (3.5%)	5 (3.2%)
Major complication (III–IV)	2 (1.2%)	3 (1.9%)

Abbreviations: GB, gallbladder; IQR, interquartile range. * indicates p<0.05