| Inflammation/infection (O) | 43 | 163 | 9 | 215 (38.8%) |
| Symptoms without diagnosis (K) | 33 | 61 | 2 | 96 (17.3%) |
| Functional disorder excl. immunological or psychological disorders (G) | 16 | 50 | – | 66 (11.9%) |
| Abnormal wound healing (W) | 11 | 33 | – | 44 (7.9%) |
| Accumulation/leakage of body fluids (V) | 3 | 36 | 1 | 40 (7.2%) |
| Bleeding/haematoma (B) | 1 | 20 | – | 21 (3.8%) |
| Injury by mechanical/physical–chemical cause (L) | 1 | 15 | 2 | 18 (3.2%) |
| Thrombosis/embolism (T) | – | 13 | – | 13 (2.3%) |
| Rejection/allergy/other immunological reaction (A) | 2 | 6 | 2 | 10 (1.8%) |
| Necrosis/infarction (N) | – | 4 | 1 | 5 (0.9%) |
| Fistula forming (F) | – | 4 | – | 4 (0.7%) |
| Procedure defined insufficient result of treatment (R) | – | 4 | – | 4 (0.7%) |
| Ischaemia (I) | – | 3 | – | 3 (0.5%) |
| Psychological disturbance (P) | 1 | – | 2 | 3 (0.5%) |
| Pressure sores (D) | 1 | – | 1 | 2 (0.4%) |
| Shock (S) | – | 2 | – | 2 (0.4%) |
| Other/non-specified category | – | 8 | – | 8 (1.4%) |
| Total, n (%) | 112 (20.2%) | 422 (76.2%) | 20 (3.6%) | 554 (100%) |