Table 2 Rate ratios with 95% confidence interval and heterogeneity measures for all models
Rate ratios (95% CI) | Heterogeneity | |||||
|---|---|---|---|---|---|---|
GERICO n = 630 | SCT n = 370 | KFPS n = 855 | Overall n = 1855 | \( {\varvec{\tau }}^{2}\) | \( {\varvec{I}}^{2}\) (%) | |
Baseline rate (per year) | 0.43 (0.35 to 0.52) | 0.83 (0.61 to 1.14) | 0.61 (0.54 to 0.70) | 0.59 (0.41 to 0.85) | 0.088 | 89.24 |
Prior falls 1 | 1.64 (1.22 to 2.21) | 1.00 (0.64 to 1.54) | 1.46 (1.15 to 1.87) | 1.41 (1.13 to 1.76) | 0.013 | 33.50 |
Prior falls 2 | 1.13 (0.70 to 1.82) | 1.07 (0.63 to 1.82) | 1.65 (1.21 to 2.25) | 1.33 (0.98 to 1.81) | 0.026 | 34.55 |
Prior falls 3 | 2.55 (1.52 to 4.29) | 2.18 (1.15 to 4.15) | 2.98 (1.90 to 4.68) | 2.64 (1.96 to 3.57) | 0.000 | 00.00 |
Prior falls 4 | 2.33 (0.96 to 5.65) | 3.09 (1.26 to 7.58) | 6.24 (3.71 to 10.48) | 3.89 (2.06 to 7.34) | 0.169 | 53.19 |
Prior falls ≥ 5 | 10.02 (6.17 to 16.27) | 7.39 (3.77 to 14.46) | 7.40 (4.15 to 13.20) | 8.48 (6.13 to 11.74) | 0.000 | 00.00 |
\( \theta \) | 1.06 (0.71 to 1.42) | 0.66 (0.44 to 0.87) | 1.18 (0.86 to 1.50) | 0.94 (0.61 to 1.27) | 0.25 | 73.85 |