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Percentage distribution of subjects according to postoperative complications
| Complications | Opium addicts | Non-addicts | ||
|---|---|---|---|---|
| N = 71 | % | N = 50 | % | |
| Respiratory complications | 44 | 62.0 | 20 | 40.0 |
| Cardio vascular complications | 63 | 88.7 | 22 | 44.0 |
| Local complications | 34 | 47.9 | 12 | 24.0 |
| Systemic complications | 26 | 36.6 | 10 | 20.0 |
| Death | 11 | 14.5 | 4 | 8.0 |
