Effect of surgical timing on postoperative outcomes in patients with acute cholecystitis after delayed percutaneous transhepatic gallbladder drainage

Table 1 Baseline characteristics of the two groups before percutaneous transhepatic gallbladder drainage, mean ± SD

Variables	Early LC group (n = 32)	Delayed LC group (n = 36)	P value
Sex (male/female)	18/14	20/16	0.954
Age (years)	65.4 ± 15.2	62.1 ± 17.3	0.823
BMI (kg/m2)	25.26 ± 4.28	24.36 ± 3.19	0.428
Etiology (with/without stone)	30/2	35/1	0.486
Grade of AC (II/III)	14/18	23/13	0.096
CCI (< 4/≥ 4)	15/17	14/22	0.506
ASA-PS class (< 3/≥ 3)	12/20	16/20	0.561
Time from symptom onset to PTGBD (days)	8.9 ± 1.1	9.2 ± 1.3	0.748

PTGBD: Percutaneous transhepatic gallbladder drainage; LC: Laparoscopic cholecystectomy; BMI: Body Mass Index; CCI: Charlson Comorbidity Index; ASA-PS: American Society of Anesthesiologists Physical Status.