Table 2.
The incidence of HFRS complicated with AP in different subgroups.
| Subgroup | No. of studies | r(%) | 95%CI for r | Heterogeneity | Begg’s test | Egger’s test | Meta-regression | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| I2(%) | p | Z | p | t | p | t | p | ||||
| Gender | |||||||||||
| Male | 6 | 9.4 | 5.7–13.1 | 61.1 | 0.017 | 1.05 | 0.293 | 2.25 | 0.060 | 0.460 | 0.656 |
| Female | 6 | 10.8 | 5.6–16.0 | 29.5 | 0.225 | 0.49 | 0.624 | 1.89 | 0.115 | ||
| Sample size | |||||||||||
| <100 | 6 | 6.2 | 3.4–9.0 | 0.0 | 0.466 | 1.69 | 0.091 | 2.05 | 0.400 | 0.910 | 0.386 |
| ≥100 | 5 | 9.9 | 5.9–14.0 | 78.8 | 0.001 | 1.96 | 0.50 | 4.92 | 0.039 | ||
| Location | |||||||||||
| Asia | 9 | 8.2 | 5.4–11.0 | 65.5 | 0.003 | 1.88 | 0.061 | 1.97 | 0.180 | 0.670 | 0.520 |
| Europe | 2 | 11.6 | 4.0–19.1 | 0.0 | 0.896 | 1.00 | 0.317 | 2.28 | NA | ||
| Research design | |||||||||||
| Case–control study | 3 | 11.0 | 5.6–16.4 | 68.7 | 0.041 | 1.57 | 0.117 | 2.76 | 0.478 | −1.090 | 0.305 |
| Cross-sectional study | 8 | 7.3 | 4.4–10.3 | 49.0 | 0.056 | 1.48 | 0.138 | 1.75 | 0.106 | ||
| Quality of study | |||||||||||
| Medium | 2 | 8.2 | 4.3–12.2 | 0.0 | 0.466 | 1.00 | 0.317 | 1.82 | NA | −0.080 | 0.935 |
| High | 9 | 8.6 | 5.5–11.7 | 66.3 | 0.003 | 1.67 | 0.095 | 1.25 | 0.169 | ||
NA, not applicable. In the meta-regression analysis, the reference groups were Male, <100, Asia, Case–control study, Medium, respectively.