Comparative study results
| Under 40 | Over 40 | |
|---|---|---|
| Results are shown as median (SD). | ||
| *p<0.05. | ||
| Number of patients | 18 | 296 |
| Number of bones affected* | 5.5 (5.7)* | 3.1 (3) |
| Alkaline phosphates (IU/l)* | 555.6 (566.3)* | 377 (493) |
| Coutris’ extension index* | 12.8 (10.5)* | 8.7 (6.5) |
| Renier’s activity index | 35.9 (31.9) | 35.2 (46.3) |