Multiple regression analysis for total body bone mineral density (TBBMD)
| Variable | Coefficient b | Standard error (SE(b)) | p value |
Lower 95% CL | Upper 95% CL |
| Intercept | 0.783 | 0.0066 | <0.0001 | 0.651 | 0.914 |
| Sex (F vs M) | –0.050 | 0.021 | 0.018 | –0.092 | –0.009 |
| Age 20+ | 0.030 | 0.016 | 0.071 | –0.003 | 0.062 |
| SK score | 0.0025 | 0.0006 | 0.0002 | 0.0012 | 0.0037 |
| BMI | 0.0084 | 0.0037 | 0.024 | 0.0011 | 0.0157 |
| Inhaled steroids (men) | –0.070 | 0.021 | 0.002 | –0.112 | –0.027 |
| Inhaled steroids (women) | –0.010 | 0.021 | 0.643 | –0.051 | –0.032 |
SK score = Shwachman-Kulczycki clinical score; BMI = body mass index; CL = confidence limit.
97 patients had complete data on these variables.
Adjusted R 2 = 0.47; residual standard error = 0.0703.