Table 5.

Outcomes of patients underwent post-PTGBD early laparoscopic cholecystectomy (Early group) and immediate laparoscopic cholecystectomy (Immediate group)

	Unadjusted			Adjusted by IPTW (frequency)
	Early (N = 18)	Immediate (N = 1243)	p value	Early	Immediate	p value
Adverse events	2 (11.1%)	71 (5.7%)	0.280	54 (4.9%)	63 (5.6%)	0.506
Conversion to laparotomy	2 (11.1%)	58 (4.7%)	0.210	54 (4.9%)	54 (4.8%)	0.922
Major complication	0 (0.0%)	23 (1.0%)#	1.000	0 (0.0%)	17 (1.5%)	< 0.001
Total hospital stay (day)
Median (IQR)	12.0 (8.9–14.8)	4.0 (3.0–6.0)	< 0.001	11.0 (5.0–17.0)	4.0 (3.0–6.0)	< 0.001
Mean ± SEM	13.2 ± 1.66	4.9 ± 0.10	< 0.001	11.6 ± 0.18	4.9 ± 0.11	< 0.001
Total ICU stay (day)
Median (IQR)	0.0 (0.0–0.0)	0.0 (0.0–0.0)	0.005	0.0 (0.0–0.0)	0.0 (0.0–0.0)	0.056
Mean ± SEM	0.6 ± 0.35	0.1 ± 0.05	0.328	0.1 ± 0.02	0.1 ± 0.06	0.086

^*PTGBD, percutaneous transhepatic gallbladder drainage; IPTW, inverse probability of treatment weighting; IQR, interquartile range; SEM, standard error of the mean

^#Ten patients with bile duct injury, 4 with bleeding, and 9 with others

The results or descriptions highlighted in bold are solely intended to facilitate readers in readily identifying the key points in the tables