Table 4 Results of Cox proportional hazards model.
From: Association between timing of surgery and refracture after initial osteoporotic fractures
Risk factors | B | HR | 95%CI | P-value | |
|---|---|---|---|---|---|
Lower | Upper | ||||
Age (year) | 0.054 | 1.055 | 1.010 | 1.103 | 0.016* |
Height (m) | − 3.073 | 0.046 | 0.000 | 4.43E + 12 | 0.852 |
Weight (kg) | 0.021 | 1.021 | 0.654 | 1.595 | 0.926 |
BMI (kg/m2) | 0.016 | 1.016 | 0.340 | 3.039 | 0.977 |
Interval time (days) | 0.045 | 1.046 | 1.031 | 1.061 | < 0.001* |
Pain scale | 0.317 | 1.373 | 1.212 | 1.556 | < 0.001* |
Hemoglobin (g/L) | 0.002 | 1.002 | 0.981 | 1.023 | 0.878 |
Total protein (g/L) | − 0.025 | 0.975 | 0.922 | 1.030 | 0.368 |
T-score | |||||
Femoral neck | − 0.484 | 0.617 | 0.275 | 1.381 | 0.240 |
Total hip | − 0.185 | 0.831 | 0.390 | 1.771 | 0.632 |
Total lumbar | 0.002 | 1.002 | 0.728 | 1.379 | 0.992 |
