Table 2.
Individual parameters for patients in Groups A and B and p values.
| Parameters | Group A (Atrophic non-union) |
Group B (Union) |
p* | p§ [OR, (95% CI)] |
|---|---|---|---|---|
| Mean age | 43.9 yrs | 38.4 yrs | 0.025 | 0.01 [1.05, (1.01, 1.08)] |
| Sex M/F | 45/17 | 33/14 | 0.83 | 0.83 [1.11, (0.44, 2.76)] |
| Open fractures | 45.9% | 51.1% | n/a | - |
| Smoking | 46.8% | 35.6% | 0.32 | 0.12 [1.99, (0.83, 4.74)] |
| NSAIDs | 38.3% | 22.2% | 0.09 | 0.17 [1.92, (0.76, 4.82)] |
| Fracture comminution | 32.2% | 27.6% | 0.67 | - |
| Segmental fracture | 9.7% | 2.1% | 0.14 | - |
| Bone gap | 14.5% | 6.4% | 0.22 | - |
| Implant failure | 6.4% | 0 | 0.13 | - |
| Total number | 62 | 47 | n/a | - |
[n/a: non applicable, p*: simple statistical analysis using Student's t-test for the parameter of age and Pearson's Chi-square test for the other parameters, p§: logistic regression results for individual parameters, odds ratios (OR) and 95% confidence interval (CI)]