. 2023 Apr 6;68(7):3158–3166. doi: 10.1007/s10620-023-07929-x

Table 2.

Patient characteristics

Author (year)		Brown and Zenati [18]	Brown and Jung [19]	Ito [20]	Ueda [21]	Asano [22]	Hiyoshi [23]	Malgras [24]	Parra-membrives [25]
Sample size, n		628	241	133	113	213	161	352	86
Postoperative cholangitis, n (%)		50 (8)	27 (11)	28 (21)	21 (19)	16 (8)	13 (8)	20 (6)	14 (16)
Predictive patient characteristics
Age	n (%)	N/A	N/A	11 (8)	10 (9)	N/A	N/A	N/A	N/A
	mean ± SD		66.0 ± 8.3	N/A	N/A		66.5 ± 13.1
	P-value		0.69	0.67	0.044		0.36
	OR (95% CI)	1.24 (0.77–1.99)^a	1.60 (0.74–3.50)	N/A	N/A	1.09 (0.67–1.77)	N/A
	P-value	0.38	0.24	N/A	N/A	0.725	N/A
Sex	n (%)	N/A	9 (4)	17 (13)	17 (15)	N/A	11 (7)	N/A	10 (12)
	mean ± SD		N/A	N/A	N/A		N/A		N/A
	P-value		0.21	0.73	0.39		0.06		0.080
	OR (95% CI)	1.34 (0.83–2.16)	N/A	N/A	N/A	0.33 (0.9–1.19)	N/A		N/A
	P-value	0.24	N/A	N/A	N/A	0.090	N/A		N/A
BMI	n (%)	N/A	N/A	15 (11)	2 (2)	N/A	N/A	N/A	N/A
	mean ± SD		28.1 ± 5.3	N/A	N/A
	P-value		0.58	0.039	0.23
	OR (95% CI)	1.55 (0.95–2.54)	1.58 (0.71–3.56)	2.15 (0.89–5.17)	N/A	1.29 (1.10–1.52)
	P-value	0.081	0.26	0.089	N/A	0.002
DM	n (%)	N/A	N/A	N/A	5 (4)	N/A	3 (2)	N/A	N/A
	mean ± SD				N/A		N/A
	P-value				0.55		0.80
	OR (95% CI)				N/A	1.03 (0.32–3.35)	N/A
	P-value				N/A	0.961	N/A
CCI	n (%)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
	mean ± SD		2.4 ± 1.1
	P-value		0.44
	OR (95% CI)	0.88 (0.73–1.07)	N/A
	P-value	0.19	N/A
Prior surgery	n (%)	N/A	12 (5)	N/A	N/A	N/A	N/A	N/A	N/A
	mean ± SD
	P-value		0.24
	OR (95% CI)	1.22 (0.76–1.98)	N/A
	P-value	0.41	N/A
Obstructive jaundice	n (%)	N/A	N/A	16 (12)	4 (4)	N/A	N/A	N/A	N/A
	mean ± SD			N/A	N/A
	P-value			0.86	0.006
	OR (95% CI)			N/A	N/A
	P-value			N/A	N/A
Preoperative biliary drainage	n (%)	N/A	N/A	16 (12)	4 (4)	N/A	9 (6)	N/A	N/A
	mean ± SD			N/A	N/A		N/A		N/A
	P-value			0.097	0.02		0.71		0.61
	OR (95% CI)			N/A	N/A		N/A		N/A
	P-value			N/A	N/A		N/A		N/A
Preoperative stent	n (%)	N/A	10 (4)	N/A	N/A	N/A	N/A	20 (6)	N/A
	mean ± SD		N/A					N/A
	P-value		0.12					0.39
	OR (95% CI)		0.53 (0.23–1.19)			10.32b (1.33–79.81)		N/A
	P-value		0.12			0.025		N/A
Preoperative cholangitis	n (%)	N/A	N/A	N/A	2 (2)	N/A	1 (1)	11 (3)	N/A
	mean ± SD				N/A		N/A	N/A
	P-value				0.20		0.71	0.001
	OR (95% CI)				N/A		N/A	N/A
	P-value				N/A		N/A	N/A
Preoperative chemotherapy	n (%)	N/A	13 (5)	N/A	N/A	N/A	N/A	N/A	N/A
	mean ± SD		N/A
	P-value		0.35
	OR (95% CI)	0.60 (0.34–1.04)	N/A					9.0 (2.3–35.5)
	P-value	0.069	N/A					0.03

Statistically significant results are displayed in bold

BMI body mass index, DM diabetes Mellitus, CCI Charlson Comorbidity Index, OR odds ratio

^aAge < 65 years

^bAbsence of preoperative stenting

^cMedian (range)