Table 5.

Operative and Postoperative Data of Transcystic Versus Transcholedocal Choledochoscopy

	Transcystic Choledochoscopy	Transcholedocal Choledochoscopy
Characteristics	(n = 486*)	(n = 445)	P-value	OR (95% CI)
Cholecystectomy difficulty grading
I	76 (15.6%)	43 (9.7%)	0.006	1.733 (1.163, 2.581)
II	131 (27.0%)	112 (25.2%)	0.535	1.097 (0.818, 1.471)
III	151 (31.1%)	115 (25.8%)	0.078	1.293 (0.971, 1.722)
IV	104 (21.4%)	148 (33.3%)	<0.001	0.546 (0.408, 0.732)
V	24 (4.9%)	27 (6.1%)	0.449	0.804 (0.457, 1.416)
Wide cystic duct	205 (42.2%)	175 (39.3%)	0.376	1.126 (0.866, 1.463)
Cystic duct stones	155 (31.9%)	102 (22.9%)	0.002	1.575 (1.176, 2.109)
Number of CBD stone	2 (1–50)	5 (1–100)	<0.001
Size of largest CBD stone	8 (2–22) mm	15 (2–30) mm	<0.001
Impacted CBD stone	43 (8.8%)	81 (18.2%)	<0.001	0.436 (0.294, 0.647)
Use of glucagon	248 (51.0%)	97 (21.8%)	<0.001	3.738 (2.806, 4.980)
operative time (mins)	95 (42–285)	170 (55–630)	<0.001
Transcystic biliary drain	91 (18.7%)	167 (37.5%)	<0.001	0.384 (0.285, 0.517)
T-tubes	5 (1.0%)	218 (49.0%)	<0.001	0.011 (0.004, 0.027)
Open conversions	1 (0.2%)	13 (2.9%)	0.001	0.069 (0.009, 0.526)
Retained stones	5 (1.0%)	15 (3.4%)	0.014	0.298 (0.107, 0.827)
Complications	48 (9.9%)	106 (23.8%)	<0.001	0.350 (0.242, 0.507)
Reoperation	2 (0.4%)	11 (2.5%)	0.007	0.163 (0.036, 0.740)
Readmissions	25 (5.1%)	74 (16.6%)	<0.001	0.272 (0.169, 0.437)
Mortality	0	3 (0.7%)	0.070
Number of episodes	1 (1–5)	2 (1–8)	<0.001
Total hospital stay	6 (1–160) d	14 (2–93) d	<0.001
Presentation to resolution interval	1 (1–112) wk	4 (1–72) wk	0.009

Data in parentheses are 95% confidence intervals.

^*Four more transcystic choledochoscopies were not recorded as duct explorations.

CBD indicates common bile duct; CBDE, common bile duct exploration; TC, transcystic.