Table 3. Year/age group wise malaria prevalence in rapid fever survey in CHC Birsa and Baihar, District Balaghat (2010 – 2012).
Year | Age group (years) | +ve/BSE | Pf | Pv | Pm | Mixed (Pf+Pv) | Mixed (Pm+Pf/Pv) | SPR | SFR | SVR | Pf g rate | OR (malaria) | 95% CI |
2010 | ≤1 | 49/189 | 30 | 19 | 0 | 0 | 0 | 25.9 | 15.9 | 10.1 | 26.7 | 2.9 | 2.0–4.1*** |
>1–4 | 217/708 | 167 | 49 | 0 | 1 | 0 | 30.6 | 23.7 | 6.9 | 15.5 | 3.6 | 2.9–4.5*** | |
>4–8 | 296/1015 | 248 | 48 | 0 | 0 | 0 | 29.2 | 24.4 | 4.7 | 8.1 | 3.4 | 2.8–4.1*** | |
>8–14 | 267/1135 | 240 | 27 | 0 | 0 | 0 | 23.5 | 21.1 | 2.4 | 5.8 | 2.5 | 2.1–3.1*** | |
>14 | 219/2011 | 200 | 19 | 0 | 0 | 0 | 10.9 | 9.9 | 0.9 | 10.0 | 1.0 | Reference | |
Total | 1048/5058 | 885 | 162 | 0 | 1 | 0 | 20.7 | 17.5 | 3.2 | 9.9 | |||
2011 | ≤1 | 59/222 | 43 | 16 | 0 | 0 | 0 | 26.6 | 19.4 | 7.2 | 9.3 | 1.2 | 0.9–1.7*** |
>1–4 | 160/331 | 121 | 35 | 0 | 4 | 0 | 48.3 | 37.8 | 10.6 | 16.8 | 3.1 | 2.4–4.0*** | |
>4–8 | 259/519 | 236 | 21 | 0 | 2 | 0 | 49.9 | 45.9 | 4.0 | 14.3 | 3.3 | 2.6–4.1*** | |
>8–14 | 221/672 | 202 | 19 | 0 | 0 | 0 | 32.9 | 30.1 | 2.8 | 7.4 | 1.6 | 1.3–2.0*** | |
>14 | 242/1037 | 231 | 11 | 0 | 0 | 0 | 23.3 | 22.3 | 1.1 | 6.1 | 1.0 | Reference | |
Total | 941/2781 | 833 | 102 | 0 | 6 | 0 | 33.8 | 30.2 | 3.7 | 10.5 | |||
2012 | ≤1 | 70/142 | 41 | 23 | 0 | 5 | 1 | 49.3 | 32.4 | 16.2 | 23.9 | 2.7 | 1.9–3.9*** |
>1–4 | 291/451 | 185 | 70 | 4 | 24 | 8 | 64.5 | 46.3 | 15.5 | 28.2 | 5.1 | 3.9–6.6*** | |
>4–8 | 501/861 | 362 | 91 | 16 | 25 | 7 | 58.2 | 44.9 | 10.6 | 25.6 | 3.9 | 3.1–4.8*** | |
>8–14 | 680/1504 | 543 | 111 | 7 | 11 | 8 | 45.2 | 36.8 | 7.4 | 14.8 | 2.3 | 1.9–2.8*** | |
>14 | 218/825 | 190 | 25 | 2 | 1 | 0 | 26.4 | 23.2 | 3.0 | 10.5 | 1.0 | Reference | |
Total | 1760/3783 | 1321 | 320 | 29 | 66 | 24 | 46.5 | 36.7 | 8.5 | 19.5 |
P<0.001; +ve: Malaria parasitaemic cases; BSE: Blood slide examined; Pf: Plasmodium falciparum; Pv: Plasmodium vivax; Pm: Plasmodium malariae; SPR: Slide positivity rate; SFR: Slide falciparum rate; SVR: Slide vivax rate; Pfg rate: Plasmodium falciparum gametocytes rate; OR (malaria): Odds ratio for malaria positive; 95% CI: 95% confidence interval.