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Estimation results of the linear regression for the difference between estimated age and chronological age using Demirjian and Willems’ methods
| Demirjian | Willems | |||
|---|---|---|---|---|
| Variable | Coef. (std. error) | p Value | Coef. (std. error) | p Value |
| Sex (male) | 0.604* (0.143) | < 0.01 | 0.822* (0.155) | < 0.01 |
| Rheumatoid arthritis (yes) | 0.381 (0.218) | 0.081 | − 0.235 (0.236) | 0.146 |
| Age | − 0.186* (0.032) | < 0.01 | − 0.086* (0.035) | 0.014 |
