Table 2 Comparison of intraoperative conditions of patients between the two groups
Intraoperative conditions | Control group (n = 405) | Study group (n = 75) | X2 | P |
|---|---|---|---|---|
Common bile duct dilatation (%) | Â | Â | 0.382 | 0.537 |
No | 356(87.9) | 64(85.3) | Â | Â |
Yes | 49(12.1) | 11(14.7) | Â | Â |
Pancreatic duct imaging (%) | Â | Â | 16.083 | <0.001 |
No | 395(97.5) | 65(86.7) | Â | Â |
Yes | 10(2.5) | 10(13.3) | Â | Â |
Pancreatic sphincterotomy (%) | Â | Â | 19.079 | <0.001 |
No | 322(79.5) | 42(56.0) | Â | Â |
Yes | 83(20.5) | 33(44.0) | Â | Â |
Biliary sphincterotomy (%) | Â | Â | 1.757 | 0.185 |
No | 290(71.6) | 48(64.0) | Â | Â |
Yes | 115(28.4) | 27(36.0) | Â | Â |
Duodenal minor papilla sphincterotomy (%) | Â | Â | 1.023 | 0.312 |
No | 109(26.9) | 16(21.3) | Â | Â |
Yes | 296(73.1) | 59(78.7) | Â | Â |
Duodenal papillary balloon dilatation (%) | Â | Â | 0.745 | 0.388 |
No | 243(60.0) | 41(54.7) | Â | Â |
Yes | 162(40.0) | 34(45.3) | Â | Â |
Pancreatic stents (%) | Â | Â | 7.255 | 0.007 |
No | 335(82.7) | 52(69.3) | Â | Â |
Yes | 70(17.3) | 23(30.7) | Â | Â |
Difficult cannulation (%) | Â | Â | 14.294 | <0.001 |
No | 372(91.9) | 58(77.3) | Â | Â |
Yes | 33(8.1) | 17(22.7) | Â | Â |
Multiple cannulation attempts (%) | Â | Â | 10.268 | 0.001 |
< 3 times | 347(85.7) | 53(70.7) |  |  |
≥ 3 times | 58(14.3) | 22(29.3) |  |  |
Operation time (%) | Â | Â | 1.583 | 0.208 |
<60Â min | 347(85.7) | 60(80.0) | Â | Â |
≥ 60 min | 58(14.3) | 15(20.0) |  |  |
Juxtapapillary duodenal diverticula (%) | Â | Â | 15.477 | <0.001 |
No | 279(68.9) | 34(45.3) | Â | Â |
Yes | 126(31.1) | 41(54.7) | Â | Â |