Table 4.
Comparison of outcomes for the injured and uninjured elbows
| Description of results | Injured side | Uninjured side | p-value |
|---|---|---|---|
| Average time to bone healing according to NUSS in days (SD; range) | 86 (±11; range 59–112) | Not applicable | |
| Numbers of complications (percent of total) | Clinical valgus elbow: 3 (6%) Clinical varus elbow: 4 (9%) Superficial wound infection: 1 (2%) Post-traumatic osteoarthritis: 8 (17%) Heterotopic ossification: 5 (11%) Elbow stiffness: 5 (11%) Ulnar nerve dysfunction: 2 (4%) |
Not applicable | |
| Arc of flexion-extension (SD; range) | 104° (±22°; 66–180°) | 172° (±2°; 167–180°) | <0.05 |
| Arc of prono-supination (SD; range) | 153° (±11°; 90–180°) | 172° (±7°; 165–180°) | <0.05 |
| Lateral joint widening with varus stress in mm (SD; range) | 6.7 (±1.8; 3.2–9.3) | 5.8 (±1.2; 1.2–8.7) | <0.05 |
| Medial joint widening with valgus stress in mm (SD; range) | 5.8 (±0.8; 3.3–8.6) | 4.3 (±0.8; 3.2–6.8) | <0.05 |
| Trochleocapitellar index healed in normal clinical alignment (SD; range) | 0.68 (±9.8; range 0.49–0.89) | 0.81° (±7.2; 0.67–1) | <0.05 |
| Trochleocapitellar index healed in clinical valgus alignment (SD; range) | 0.43 (±16.7; 0.28–0.64) | Not applicable | |
| Trochleocapitellar index healed in clinical varus alignment (SD; range) | 0.86 (±7.5; 0.82–1) | Not applicable | |
| Correlation between clinical-radiographic results and patients outcomes, κ (SD; range) | 0.58 (±0.16; 0.39–0.82) | 0.92 (±0.05; 0.87–1) | <0.05 |
SD, standard deviation