Table 3.
Subgroup meta-analysis of studies reporting Dirofilaria immitis infected and infective rates in vectors grouped by mosquito genus and species.
| Minimum infected ratea | Minimum infective rateb | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | pool size | Positive pool | Overall prevalence (95% CI) | I2c | Q | Positive pool | Overall prevalence (95% CI) | I2 | Q |
| Total | 124,480 | 1,071 | 21.86 (14.06-31.1) | 98.5 | 2,475.9 | 235 | 2.6 (0.97-4.77) | 94.4 | 622.1 |
| Aedes | 62,924 | 526 | 29.5 (17.21-46.4) | 97.5 | 1,016.7 | 138 | 1.8 (0.03-5.3) | 91.6 | 298.4 |
| Culex | 16,652 | 260 | 12.36 (5.8-20.88) | 92.9 | 241.8 | 42 | 1.28 (0.0-4.04) | 83.3 | 95.6 |
| Anopheles | 4,244 | 157 | 51.37 (5-133.5) | 98.1 | 372.9 | 19 | 3.14 (0.0-12.2) | 75.5 | 28.6 |
| Ochlerotatus | 5,382 | 73 | 43.29 (0.1-140.6) | 96.3 | 54.9 | 24 | 0.97 (0.14-2.27) | 0.0 | – |
| Cx. quinciafasiatus | 4,892 | 168 | 24.7 (7.79-49.4) | 92 | 62.7 | 13 | 2.6 (0.0-12.46) | 87.6 | 40.2 |
| Ae. polynesiensis | 24,041 | 198 | 31.8 (3.5-85.5) | 98 | 100.8 | 53 | 1.8 (0.5-3.86) | 32.7 | 2.9 |
| Oc. taeniorhynchus | 2,517 | 44 | 12.6 (8.42-17.5) | 0.0 | – | 32 | 4.1 (1.73-7.31) | 0.0 | – |
| Oc. sollicitans | 2,539 | 25 | 0 | – | – | 2 | 0 | – | – |
| Cx. pipiens | 5,518 | 43 | 6.7 (3.48-10.88) | 59.7 | 19.8 | 7 | 0.62 (0-2.29) | 48.3 | 15.5 |
| Ae. ochcaspius | 285 | 14 | 48.6 (25.81-77.6) | 0.0 | – | 4 | 10.7 (0.91-27.7) | 0.0 | – |
| Ae. vexans | 13,439 | 77 | 47.1 (1.08-135) | 97.6 | 299.3 | 30 | 6.2 (0.0-38.53) | 94.0 | 117.2 |
| Cx. theileri | 1,574 | 43 | 35.3 (2.06-101.4) | 96.2 | 78.5 | 25 | 19.2 (0.06-62.5) | 94.5 | 54.3 |
| Ae. albopictus | 2,298 | 151 | 49.5 (14.7-101.6) | 95.3 | 169.7 | 25 | 3.2 (0.00-15.30) | 86.3 | 58.6 |
Notes: a,bThe result present as a case per 1,000; cheterogenicity index.