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Cox proportional hazards survival analysis results.
| HR (95% CI) | p-Value | ||
|---|---|---|---|
| Model I | Log CK (unadjusted) | 0.347 (0.172–0.704) | 0.003 |
| Model II | Log CK (adjusted)a | 0.457 (0.221–0.947) | 0.035 |
HR, hazard ratio; CK, creatine kinase.
aAdjusted for age, sex, site of onset, disease duration, serum creatinine, and body mass index.
