Table 2.
Differences between laparoscopic and open surgery patients, a Mean difference b Risk ratio
| No. studies | Mean difference or risk ratio (95% CI) | P Value | |
|---|---|---|---|
| Age, yr |
24 (n = 2011) |
−1.41 (−2.71 to −0.11)a |
0.03 |
| BMI, kg/m2 |
14 (n = 1359) |
−0.65 (−1.94 to 0.65)a |
0.32 |
| Length of disease, years |
14 (n = 974) |
−0.94 (−3.02 to 1.15)a |
0.38 |
| Previous surgery |
16 (n = 1201) |
0.80 (0.64 to 1.01)b |
0.06 |
| Preoperative steroids |
13 (n = 921) |
1.06 (0.95 to 1.17)b |
0.33 |
| Length of stay, days |
17 (n = 1005) |
−2.24 (−2.50 to −1.98)a |
<0.001 |
| Return to solid diet, days |
9 (n = 442) |
−1.29 (−1.59 to −0.98)a |
<0.001 |
| Time to flatus, days |
8 (n = 465) |
−0.80 (−1.05 to −0.55)a |
<0.001 |
| Time to bowel movement, days | 6 (n = 378) | −0.68 (−0.94 to −0.43)a | <0.001 |