Table 2.
Severity of complications in relation to type of surgery
| Type of surgery | Complications; no. (%)* | Total no. complications | |||||
|---|---|---|---|---|---|---|---|
| No. patients | I | IIa | IIb | III | IV | ||
| No surgery | 3 737 | 248 (53) | 99 (21) | 95 (20) | 14 (3) | 9 (2) | 465 |
| Vascular | 989 | 107 (24) | 143 (32) | 135 (30) | 30 (7) | 29 (6) | 444 |
| Gastrointestinal | 2 212 | 324 (28) | 344 (30) | 387 (34) | 59 (5) | 33 (3) | 1 147 |
| Trauma | 1 093 | 105 (34) | 61 (20) | 117 (38) | 24 (8) | 5 (2) | 312 |
| Breast | 541 | 25 (20) | 19 (15) | 80 (64) | 0 | 0 | 124 |
| Thoracic | 101 | 25 (29) | 23 (27) | 37 (44) | 0 | 0 | 85 |
| General | 3 294 | 148 (34) | 83 (19) | 162 (38) | 23 (5) | 12 (3) | 428 |
| Head and neck | 154 | 5 (24) | 9 (43) | 7 (33) | 0 | 0 | 21 |
| Total | 12 121 | 987 (33) | 781 (26) | 1 020 (34) | 150 (5) | 88 (3) | 3 026 |
*
Complications graded according to Clavien and colleagues.10 The percentages reported with each severity grade represent the proportion of the total number of complications for this type of procedure.