Table 2 Meta-analysis of HAE prevalence in China
From: Prevalence of human alveolar echinococcosis in China: a systematic review and meta-analysis
Groups | Number of studies | Sample size | Prevalence,%(95% CI) | I2,% | P heterogeneity | P difference | Odds ratio(95% CI) | P Eggers’s test |
|---|---|---|---|---|---|---|---|---|
Overall | 41 | 2,032,811 | 0.96 (0.71–1.25) | 100 | <0.01 |  |  | 0.06 |
Areas |  |  |  |  |  | < 0.01 |  |  |
 Gansu | 9 | 586,718 | 1.24 (0.81–1.75) | 99 | <0.01 |  |  | – |
 Ningxia | 3 | 67,280 | 1.49 (0.02–5.19) | 99 | <0.01 |  |  | – |
 Qinghai | 8 | 126,211 | 1.55 (0.65–2.82) | 99 | <0.01 |  |  | – |
 Sichuan | 8 | 680,211 | 2.03 (1.30–2.92) | 100 | <0.01 |  |  | – |
 Tibet | 9 | 226,670 | 0.19 (0.13–0.25) | 86 | <0.01 |  |  | – |
 Xinjiang | 4 | 345,721 | 0.013 (0.001–0.036) | 75 | <0.01 |  |  | – |
Sex |  |  |  |  |  | < 0.01 |  |  |
 female | 11 | 22,595 | 3.47 (2.69–4.34) | 91 | <0.01 |  | 1.60 (1.35–1.91) | 0.59 |
 male | 11 | 23,147 | 2.14 (1.55–2.82) | 91 | <0.01 |  | – | 0.98 |
Age group |  |  |  |  |  | < 0.01 |  |  |
  ≥ 30 years | 5 | 4720 | 6.41 (3.50–10.12) | 95 | <0.01 |  | 4.72 (2.29–9.75) | – |
 <30 years | 5 | 6198 | 1.64 (0.36–3.83) | 96 | <0.01 |  | – | – |
Occupation |  |  |  |  |  | < 0.01 |  |  |
 farmer and/or herdsman | 4 | 9987 | 2.90 (1.82–4.21) | 90 | <0.01 |  | 2.54 (1.60–4.02) | – |
 others | 4 | 8777 | 1.20 (0.63–1.94) | 86 | <0.01 |  | – | – |