Table 3.
Study First author (country) year | n | Follow up time | Study population Mean age years |
Hip Fractures | Findings |
---|---|---|---|---|---|
Study of Osteoporotic Fractures | 9704 | Up to 5.9 years | Postmenopausal women | 332 | < 47.5 nmol/L vs. ≥47.5 nmol/L 25(OH)D |
Cummings [51] (USA) 1998 | 73 years (using randomly selected cases and controls) | RR Hip fracture 1.2 (0.7, 1.9) | |||
WHI-OS | 39793 | Up to 9.3 years | Postmenopausal women | 400 | Each 25 nmol/L decrease in 25(OH)D R Hip fracture 1.33 (1.06, 1.68) |
Cauley [52] (USA) 2008 | (median 7.1 years) | 71 years | ≤47.5 nmol/L vs. ≥70.7 nmol/L OR Hip fracture 1.71 (1.05, 2.79) | ||
NHANES III | 1917 | Mean 6.7 y | ≥65 y Caucasian adults | 156 | ≥62.5 nmol/L vs. <62.5 nmol/L 25(OH)D |
Looker [53] (USA) 2008 | 73 years | RR Hip fracture 0.64 (0.46, 0.89) |