Table 4.
Adverse events
| Parameter | Analyzed per segment (n = 56 segments) | Analyzed per patient (n = 28 patients) |
| Proportion with major complications (total) | 68 (38) | 50 (14) |
| Unplanned reoperation a | 32 (18) | 39 (11) |
| Reosteotomy | 16 (9) | 29 (8) |
| Intramedullary rodding due to fracture | 9 (5) | 14 (4) |
| Pin loosening | 5 (3) | 7 (2) |
| Pin breakage | 2 (1) | 4 (1) |
| Temporary radial nerve palsy | 23 (13) | 39 (11) |
| Immediately postoperatively | 62 (8 of 13) | 55 (6 of 11) |
| 1-7 days postoperatively | 38 (5 of 13) | 45 (5 of 11) |
| 0/5 MRCS b | 69 (9 of 13) | 73 (8 of 11) |
| 1/5 MRCS b | 23 (3 of 13) | 18 (2 of 11) |
| 3/5 MRCS b | 8 (1 of 13) | 9 (1 of 11) |
| Refracture of the regenerate | 11 (6) | 18 (5) |
| Permanent functional sequela: limb length inequality | 2 (1) | 4 (1) |
| Proportion with minor complications (total) | 82 (46) | 82 (23) |
| Pin tract infection | 21 (12) | 36 (10) |
| Temporary flexion contracture | 61 (34) | 68 (19) |
| Of more than 50° | 12 (4 of 34) | 16 (3 of 19) |
Data presented as % (n).
In some patients, one segment/humerus required two reoperations
Muscle strength according to MRCS; 0/5: no contraction; 1/5: flicker or trace contraction; 3/5: active movement against gravity; MRCS = Medical Research Council Scale.