Table 6.
Subgroup analysis of Geneva rules.
| Characteristics | Number of literatures | OR (95% CI) | P | I2 (%) |
|---|---|---|---|---|
| Overall | 11 | 7.02 (4.19, 11.75) | <.001 | 88.1 |
| Year | ||||
| Before 2015 | 6 | 6.84 (2.92, 16.00) | <.001 | 90.2 |
| After 2016 | 5 | 7.47 (3.60, 15.51) | <.001 | 87.6 |
| Bias | ||||
| Low | 3 | 3.51 (2.40, 5.12) | .126 | 51.8 |
| Medium | 6 | 7.76 (3.59, 16.73) | <.001 | 89.0 |
| High | 2 | 26.90 (1.29, 560.66) | <.001 | 93.2 |
| Country | ||||
| China | 9 | 5.90 (3.74, 9.32) | <.001 | 84.0 |
| Overseas | 2 | 15.98 (0.28, 917.39) | <.001 | 96.5 |
| Disease | ||||
| PE | 6 | 6.09 (2.85, 13.01) | <.001 | 89.8 |
| ATPE | 5 | 8.52 (3.92, 18.53) | <.001 | 86.5 |
| Gold standard | ||||
| Clinical | 2 | 26.90 (1.29, 560.66) | <.001 | 93.2 |
| CTPA | 9 | 5.40 (3.40, 8.56) | <.001 | 84.6 |
CI = confidence interval, CTPA = computed tomography pulmonary angiography, I2 = I-square test.