Table 2 Malaria prevalence, parasite density in Bandarban District (Survey I)
From: High prevalence of asymptomatic malaria in south-eastern Bangladesh
Bandarban district | Â | Â | |||||
|---|---|---|---|---|---|---|---|
| Â | Â | PCR/Microscopy | |||||
| Â | No. | P.f. | P.v. | P.m. | P.o. | Mixed | Negative |
Sex | Â | Â | Â | Â | Â | Â | Â |
Male | 647 | 122/77 (18.9/11.9%) | 26/17 (4.0/2.6%) | 3/0 (0.5/0.0%) | 3/0 (0.5/0.0%) | 66/3 (10.2/0.5%) | 427/550 (66.0/85.0%) |
Female | 771 | 134/84 (17.4/10.9%) | 33/20 (4.3/2.6%) | 5/0 (0.6/0.0%) | 3/0 (0.4/0.0%) | 40/1 (5.2/0.1%) | 556/666 (72.1/86.4%) |
Male/Age (years) | Â | Â | Â | Â | Â | Â | Â |
0-7 | 133 | 17/20 (12.8/15.0%) | 9/6 (6.8/4.5%) | 0/0 (0.0/0.0%) | 0/0 (0.0/0.0%) | 7/1 (5.3/0.8%) | 100/106 (75.2/79.7%) |
8-14 | 115 | 25/25 (21.7/21.7%) | 5/2 (4.3/1.7%) | 1/0 (0.9/0.0%) | 0/0 (0.0/0.0%) | 23/1 (20.0/0.9%) | 61/87 (53.0/75.7%) |
15-21 | 57 | 15/6 (26.3/10.5%) | 0/4 (0.0/7.0%) | 0/0 (0.0/0.0%) | 0/0 (0.0/0.0%) | 5/0 (8.8/0.0%) | 37/47 (64.9/82.5%) |
22-50 | 254 | 49/20 (19.3/7.9%) | 11/4 (4.3/1.6%) | 1/0 (0.4/0.0%) | 3/0 (1.2/0.0%) | 27/1 (10.6/0.4%) | 163/229 (64.2/90.2%) |
>50 | 88 | 16/6 (18.2/6.8%) | 1/1 (1.1/1.1%) | 1/0 (1.1/0.0%) | 0/0 (0.0/0.0%) | 4/0 (4.5/0.0%) | 66/81 (75/92.0%) |
Female/Age (years) | Â | Â | Â | Â | Â | Â | Â |
0-7 | 137 | 26/30 (19.0/21.9%) | 10/8 (7.3/5.8%) | 1/0 (0.7/0.0%) | 1/0 (0.7/0.0%) | 12/0 (8.8/0.0%) | 87/99 (63.5/72.3%) |
8-14 | 133 | 30/25 (22.6/18.8%) | 6/5 (4.5/3.8%) | 1/0 (0.8/0.0%) | 0/0 (0.0/0.0%) | 14/1 (10.5/0.8%) | 82/102 (61.7/76.7%) |
15-21 | 98 | 23/5 (23.5/5.1%) | 2/2 (2.0/2.0%) | 1/0 (1.0/0.0%) | 0/0 (0.0/0.0%) | 4/0 (4.1/0%) | 68/91 (69.4/92.9%) |
22-50 | 318 | 47/22 (14.8/6.9%) | 13/5 (4.1/1.6%) | 2/0 (0.6/0.0%) | 1/0 (0.3/0.0%) | 10/0 (3.1/0.0%) | 245/291 (77.0/91.5%) |
>50 | 85 | 8/2 (9.4/2.4%) | 2/0 (2.4/0.0%) | 0/0 (0.0/0.0%) | 1/0 (1.2/0.0%) | 0/0 (0.0/0.0%) | 74/83 (87.1/97.6%) |
Parasite density/Age (years) |  | 0–7 | 8–14 | 15–21 | 22–50 | >50 | |
P. f. (parasites/μl blood1) |  | 993 | 954 | 388 | 525 | 220 | |
P. v. (parasites/μl blood1) |  | 425 | 407 | 263 | 346 | 9602 | |
Subdistrict | Â | Â | |||||
Rowangchhari | 184 | 50/31 (27.2/16.8%) | 10/9 (5.4/4.9%) | 0/0 (0.0/0.0%) | 1/0 (0.5/0.0%) | 29/1 (15.8/0.5%) | 94/143 (51.1/77.7%) |
Thanchi | 218 | 62/41 (28.4/18.8%) | 15/7 (6.9/3.2%) | 0/0 (0.0/0.0%) | 1/0 (0.5/0.0%) | 21/0 (9.6/0.0%) | 119/170 (54.6/78.0%) |
Bandarban Sadar | 219 | 52/27 (23.7/12.3%) | 6/7 (2.7/3.2%) | 2/0 (0.9/0.0%) | 0/0 (0.0/0.0%) | 18/3 (8.2/1.4%) | 141/182 (64.4/83.1%) |
Ruma | 212 | 41/19 (19.3/9.0%) | 11/5 (5.2/2.4%) | 4/0 (1.9/0.0%) | 1/0 (0.5/0.0%) | 15/0 (7.1/0.0%) | 140/188 (66.0/88.7%) |
Naikhongchhari | 181 | 18/16 (9.9/8.8%) | 9/4 (5.0/2.2%) | 1/0 (0.6/0.0%) | 3/0 (1.7/0.0%) | 9/0 (5.0/0.0%) | 141/161 (77.9/89.0%) |
Lama | 215 | 21/17 (9.8/7.9%) | 4/3 (1.9/1.4%) | 1/0 (0.5/0.0%) | 0/0 (0.0/0.0%) | 8/0 (3.7/0.0%) | 181/195 (84.2/90.7%) |
Ali Kadam | 189 | 12/10 (6.3/5.3%) | 4/2 (1.9/0.9%) | 0/0 (0.0/0.0%) | 0/0 (0.0/0.0%) | 6/0 (2.8/0.0%) | 167/177 (88.4/93.7%) |