Table S1.
Association between patients’ characteristics and CK levels.
| OR (95% CI) | P-value | |
|---|---|---|
| Sex | ||
| Female | Ref. | |
| Male | 1.89 (1.27-2.80) | 0.002 |
| Age (years) | ||
| 0-49 | Ref. | |
| 50-64 | 0.82 (0.45-1.51) | 0.525 |
| 65-74 | 0.92 (0.50-1.70) | 0.788 |
| ≥ 75 | 0.96 (0.54-1.69) | 0.874 |
| Muscular manifestations | ||
| No | Ref. | |
| Yes | 0.44 (0.10-1.96) | 0.280 |
| Fatigue | ||
| No | Ref. | |
| Yes | 0.78 (0.45-1.36) | 0.389 |
| Respiratory involvement | ||
| No | Ref. | |
| SARS pneumonia | 2.10 (1.10-4.01) | 0.025 |
| Respiratory failure | 3.66 (1.86-7.23) | < 0.001 |
| History of falls | ||
| No | Ref. | |
| Yes | 4.11 (1.82-9.30) | 0.001 |
Abbreviations: CK: creatine kinase; OR: odds ratios; CI: confidence interval; Ref.: reference interval
Patients were classified into the following groups: group 0 (CK < 200 U/L), group 1 (CK 200-288 U/L), group 2 (CK 289-501 U/L) and group 3 (CK ≥ 502 U/L)