Table 2: Sensitivity analysis (fracture risk).

Name of study

RR (95%CI)

I2 (%)

Iseri [32]

0.49 [0.13, 1.89]

65

Kadoba [33]

0.72 [0.19, 2.74]

63

Saag [31]

0.34 [0.08, 1.34]

16

Tanaka [34]

1.10 [0.65, 1.85]

0