Table 2.
Risk factor | N studies and participants | Association with fractures | Confidence in effect |
---|---|---|---|
Predictors in FRAX | |||
Prior fractures | Pooled: 6 studies; 56,781 participants | Moderate increase in risk | Moderate |
RR = 1.71, 95%CI = 1.30-2.24 | ⊕ ⊕ ⊕O | ||
Female gender | Pooled: 3 studies; 44,433 participants | Small increase in risk | Moderate |
RR = 1.40, 95%CI = 1.00-1.95 | ⊕ ⊕ ⊕O | ||
Lower BMI* | Pooled: 2 studies; 1,729 participants | Little to no increase in risk HR = 0.94, 95%CI = 0.90-0.98 | low |
Not pooled: 1 study; 128 participants | ⊕ ⊕ OO | ||
Older age | Not pooled: 5 studies; 44,745 participants | Small increase in risk | low |
⊕ ⊕ OO | |||
Low BMD | Not pooled: 2 studies; 1,708 participants | Moderate to large increase in risk | low |
⊕ ⊕ OO | |||
Glucocorticoid use | Not pooled: 1 study; 1,550 participants | Moderate to large increase in risk | low |
⊕ ⊕ OO | |||
Rheumatoid arthritis | Not pooled: 1 study; 30,665 participants | Little to no increase in risk | low |
⊕ ⊕ OO | |||
Predictors not in FRAX | |||
Psychotropic medication use | Pooled: 3 studies; 45,962 participants | Uncertain | Very low |
Not pooled: 2 studies; 94,859 participants | ⊕OOO | ||
Cognitive impairment | Pooled: 2 studies; 14,773 participants | Small increase in risk | Moderate |
Not pooled: 1 study; 1,894 participants | RR = 1.53, 95%CI = 1.09-2.14 | ⊕ ⊕ ⊕O | |
Mobility | Not pooled: 3 studies; 30,132 participants | Uncertain | Very low |
⊕OOO | |||
Falls | Pooled: 4 studies; 44,560 participants | Small to moderate increase in risk | Moderate |
RR = 1.28, 95%CI = 1.04-1.58 | ⊕ ⊕ ⊕O |
*Since both studies included in the meta analysis of BMI reported Hazard Ratios, we did not convert them into relative risks and report pooled results as hazard ratios.