Comparison of mean bone mineral density Z scores between controls and subjects with CF and difference in mean values (with 95% CI) in the three age groups (children, adolescents and adults)
| Children | Adolescents | Adults | |||||||
|---|---|---|---|---|---|---|---|---|---|
| N | Mean (SE) | p value | N | Mean (SE) | p value | N | Mean (SE) | p value | |
| *Difference in means calculated by (control – CF) with 95% CI. | |||||||||
| Total body | |||||||||
| Control | 32 | 0.26 (0.12) | 0.87 | 75 | 0.36 (0.11) | <0.001 | 41 | 0.34 (0.13) | 0.003 |
| CF | 40 | 0.23 (0.12) | 55 | −0.51 (0.17) | 57 | −0.23 (0.12) | |||
| Difference* | 0.03 (−0.31 to 0.37) | 0.87 (0.49 to 1.25) | 0.57 (0.20 to 0.93) | ||||||
| Lumbar spine | |||||||||
| Control | 32 | −0.31 (0.18) | 0.88 | 75 | −0.21 (0.20) | <0.001 | 42 | −0.11 (0.15) | 0.01 |
| CF | 40 | −0.28 (0.15) | 55 | −1.26 (0.11) | 58 | −0.67 (0.15) | |||
| Difference* | −0.03 (−0.49 to 0.42) | 1.05 (0.58 to 1.52) | 0.56 (0.12 to 1.00) | ||||||