Table 1

Clinical characteristics of the two groups of patients

Group No of patients Sex F/M Age range Disease duration (weeks, mean (SD)) Possible aetiological fasctors (no)
Trauma Fracture Neurological Unknown
Alendronate blind + alendronate open107/339-7916 (17)1612
Placebo blind + alendronate open105/548-8019 (19)2701