Table 4.
Odds ratio that surgery is performed laparoscopic (Per year, unadjusted)
| Surgery | OR (95% CI) | P-value |
|---|---|---|
| Appendectomy | 1.265 (1.248 – 1.282) | < 0.001 |
| Inguinal herniorrhaphy | 1.104 (1.090 – 1.118) | < 0.001 |
| Colectomy | 1.133 (1.117 – 1.148) | < 0.001 |
| Cholecystectomy | 1.010 (0.997 – 1.023) | 0.119 |
| All procedures | 1.069 (1.063 – 1.074) | < 0.001 |