03 June 2025 : Clinical Research
Establishment and Application of a Grading Management Model for Laparoscopic Cholecystectomy
Nannan Zhang ABDEFG 1, Jinxing Guo G 1*, Gang Wu BG 2, Xiaodong Li CD 1, Yuanhua Chen CD 1, Yuchen Fang CD 1DOI: 10.12659/MSM.947950
Med Sci Monit 2025; 31:e947950
Table 1 Single-factor analysis comparing the laparoscopic cholecystectomy (LC) group and the group with conversion to open surgery and complications.
| Factors | LC Group (9176 patients) | Group with conversion to open surgery and complications (238 patients) | χ2 | P | |||
|---|---|---|---|---|---|---|---|
| n | % | n | % | ||||
| Sex (Male) | 4152 | 45.2 | 103 | 43.3 | 0.364 | 0.554 | |
| Age ≥65 | 2165 | 23.6 | 68 | 28.6 | 3.176 | 0.076 | |
| BMI ≥28 kg/m | 279 | 3.0 | 7 | 2.9 | 0.008 | 1.000 | |
| Diabetes | 322 | 3.5 | 13 | 5.5 | 2.578 | 0.110 | |
| History of upper abdominal surgery | 559 | 6.1 | 20 | 8.4 | 2.147 | 0.169 | |
| Body temperature ≥38.5°C | 1507 | 16.4 | 122 | 51.3 | 196.749 | <0.001 | |
| Number of episodes ≥3 | 3201 | 34.9 | 141 | 59.2 | 60.116 | <0.001 | |
| Onset of acute cholecystitis within ≤72 h | 3413 | 37.2 | 107 | 45.0 | 5.972 | 0.017 | |
| Total bilirubin ≥23 μmol/L | 1216 | 13.3 | 77 | 32.4 | 71.434 | <0.001 | |
| Maximum gallbladder cross-sectional dimension ≥5×10 cm or ≤3×4 cm | 1960 | 21.4 | 47 | 19.7 | 0.359 | 0.630 | |
| Maximum gallbladder wall thickness ≥5 mm | 1831 | 20.0 | 126 | 52.9 | 153.297 | <0.001 | |
| Impacted gallbladder neck stone | 1007 | 11.0 | 78 | 32.8 | 108.106 | <0.001 | |
| Common bile duct diameter ≥8mm | 705 | 7.7 | 82 | 34.5 | 217.015 | <0.001 | |
| Surgeon’s experience | ≤50 cases | 812 | 8.9 | 101 | 42.4 | 336.105 | <0.001 |
| 51–200 cases | 2830 | 30.8 | 89 | 37.4 | |||
| >200 cases | 5534 | 60.3 | 48 | 20.2 | |||






