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Distribution among classes short-term complications
| Classification | Total number (%) | Complication (%) | p value |
|---|---|---|---|
| Class I (0–1 risk factor) | 1338 (78.3) | 136 (10.2) | 0.001 |
| Class II (2 risk factors) | 269 (15.7) | 40 (14.9) | |
| Class III (≥3 risk factors) | 102 (6.0) | 21 (20.6) |
Bold value indicates statistical analysis at p < 0.05
