Table 3.
Subgroup analysis – Elective surgery only
| Variables | Total (n = 460) | Body mass index (BMI) in 2 categories (kg/m2) | |||||
|---|---|---|---|---|---|---|---|
| BMI < 30 (n = 296) | BMI ≥ 30 (n = 164) | OR unadjusted (95%CI) | p-value (unadjusted) | OR adjusted* (95%CI) | p-value (adjusted*) | ||
| BMI (median, IQR) | 27.9 (8.3) | ||||||
| Any intra-op Complications (yes, %) | 126 (27) | 84 (28) | 42 (26) | 0.87 (0.56–1.34) | 0.53 | 0.89 (0.56–1.42) | 0.62 |
| Any post-op complications** (yes, %) | 23 (5) | 17 (6) | 6 (4) | 0.62 (0.24–1.61) | 0.33 | 0.48 (0.17–1.37) | 0.17 |
| Conversion rate (yes, %) | 69 (17) | 41 (15) | 28 (19) | 1.32 (0.78–2.25) | 0.30 | 1.47 (0.82–2.62) | 0.20 |
| Laparoscopic, including conversion (yes, %) | 416 (90) | 270 (91) | 146 (89) | ||||
| Open (yes,%) | 44 (10) | 26 (9) | 18 (11) | ||||
| ICU admission (yes, %) | 109 (24) | 61 (21) | 48 (29) | 1.59 (1.03–2.47) | 0.04 | 1.82 (1.08–3.09) | 0.02 |
| Length of ICU admission in days (mean ± sd) | 2.1 ± 1.8 | 2.3 ± 1.8 | 1.9 ± 1.7 | 0.50 | 0.97 | ||
| 30-days mortality (yes,%) | 5 (1) | 4 (1) | 1 (1) | 0.49 | 0.73 | ||
| Length of hospital day in days (mean ± sd) | 8.1 ± 5.5 | 8.2 ± 5.3 | 8.0 ± 5.9 | 0.71 | 0.23 | ||
*Adjusted to age, sex, ASA, smoking, operation type, surgical approach (except for conversion rate)
**post-op complication includes Clavien-Dindo grade III or above