From: Prevalence of osteoporosis and incidence of hip fracture in women - secular trends over 30 years
Measurementsa | Cohort 1970-74 | Cohort 1987-93 | Cohort 1998-99 | P- value |
---|---|---|---|---|
n = 106 | n = 175 | n = 178 | ||
Bone mineral density (mg/cm2)b | ||||
Non-adjusted | 438 (422, 454) | 453 (439, 468) | 461 (446, 477) | 0.15d |
Age-adjusted | 444 (430, 458) | 460 (449, 471) | 451 (440, 461) | 0.17e |
Prevalence of osteoporosis c | ||||
Non-adjusted | 15.1 (8.2, 22.0) | 15.1 (9.7, 20.5) | 14.9 (9.5, 20.2) | 1.00f |
Age-adjusted | 13.6 (6.1, 21.2) | 14.7 (8.9, 20.5) | 11.0 (8.4, 13.6) | 1.00 g |