Table 2.
Predictors for OA Progression a
| Hazard Ratio (95% CI) | P | Overall P | |
|---|---|---|---|
| Sex | |||
| Male | 3.5 (0.45-27.54) | .234 | |
| Female | Reference | ||
| Age, y | |||
| <30 | 0.078 (0.01-0.59) | .014 | |
| ≥30 | Reference | ||
| Age per 10 y | 1.954 (1.26-3.03) | .003 | |
| BMI | .6829 | ||
| 25-29.9 | 1.416 (0.40-5.04) | .591 | |
| 30-34.9 | 1.096 (0.24-5.01) | .906 | |
| ≥35 | 2.415 (0.53-11.02) | .255 | |
| <25 | Reference | ||
| Surgery | |||
| Yes | 4.03 (1.23-13.2) | .040 | |
| No | Reference | ||
| Smoker | |||
| Current/Former | 0.944 (0.35-2.52) | .908 | |
| Never | Reference | ||
| Diabetes mellitus | |||
| Yes | 1.609 (0.36-7.18) | .533 | |
| No | Reference | ||
| Work type | |||
| Laborer | 1.094 (0.35-3.46) | .878 | |
| Nonlaborer | Reference | ||
| Dislocation | .6891 | ||
| Once | 0.912 (0.12-7.11) | .930 | |
| Multiple | 1.945 (0.41-9.16) | .400 | |
| Never | Reference | ||
| Sport | .1014 | ||
| None | 0.323 (0.10-1.02) | .054 | |
| Throwing | 0.236 (0.04-1.29) | .095 | |
| Contact | Reference | ||
| No. of anchors | .7749 | ||
| 1 | 0.329 (0.04-2.87) | .314 | |
| 2 | 0.660 (0.13-3.50) | .626 | |
| ≥3 | 0.878 (0.24-3.29) | .847 | |
| 0 | Reference |
a Boldface P values indicate statistically significant difference compared with reference variable (P < .05). BMI, body mass index; OA, osteoarthritis.