Table 1.
Hazard ratios for dislocation
| Risk factor | Hazard ratio (95% CI) | p value |
|---|---|---|
| TSA | 0.08 (0.01–0.30) | < 0.001* |
| Hemiarthroplasty | 5.43 (1.74–16.37) | 0.005* |
| BMI > 35 kg/m2 | 4.71 (1.50–15.98) | 0.009* |
| RSA | 2.97 (0.89–9.02) | 0.070 |
| Greater than 3 prior surgeries | 3.21 (0.72–10.54) | 0.110 |
| Rheumatoid arthritis | 0.00 (1.70–1.70) | 0.130 |
| Prior proximal humerus fracture | 2.48 (0.73–7.80) | 0.140 |
| Laborer | 0.00 (2.59–2.59) | 0.210 |
| Smoker | 1.91 (0.43–6.30) | 0.360 |
| Gender (male) | 1.35 (0.39–4.49) | 0.620 |
| Diabetes mellitus | 1.01 (0.15–3.94) | 0.990 |
TSA = total shoulder arthroplasty; RSA = reverse shoulder arthroplasty; * significant p value.