Table 2.
Asymptomatic parasite carriers by parasite density (microscopy) and age group comparing rain and dry season
| % asymptomatic carriers/total carriers | 1-1,000 parasites/μl | 1,000-2,500 parasites/μl | 2,500-5,000 parasites/μl | 5,000-10,000 parasites/μl | > 10,000 parasites/μl | |
|---|---|---|---|---|---|---|
|
Rainy season |
|
|
|
|
|
|
|
0-4 years |
68.1 (64/94) |
80.6 (25/31) |
61.5 (8/13) |
75.0 (9/12) |
76.5 (13/17) |
42.9 (9/21) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
5-14 years |
72.6 (170/234) |
75.9 (101/133) |
80.5 (33/41) |
69.0 (20/29) |
55.6 (10/18) |
46.2 (6/13) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
15-44 years |
86.4 (108/125) |
86.8 (92/106) |
81.8 (9/11) |
100 (4/4) |
(3/3) |
(0/1) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
>45 years |
86.2 (25/29) |
84.6 (22/26) |
(2/2) |
(0/0) |
(0/0) |
(1/1) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
All |
76.1 (367/482) |
81.1 (240/296) |
77.6 (52/67) |
73.3 (33/45) |
68.4 (26/38) |
44.4 (16/36) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
Dry season |
|
|
|
|
|
|
|
0-4 years |
92.5 (49/53) |
90.9 (40/44) |
(2/2) |
100 (4/4) |
(2/2) |
(1/1) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
5-14 years |
93.2 (136/146) |
94.0 (109/116) |
100 (17/17) |
83.3 (5/6) |
100 (4/4) |
(1/3) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
15-44 years |
96.3 (52/54) |
96.0 (48/50) |
(3/3) |
(1/1) |
(0/0) |
(0/0) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
>45 years |
100 (16/16) |
100 (15/15) |
(1/1) |
(0/0) |
(0/0) |
(0/0) |
| (% asymptomatic carriers/total carriers) |
|
|
|
|
|
|
|
All |
94.1 (253/269) |
94.2 (212/225) |
100 (23/23) |
90.9 (10/11) |
100 (6/6) |
50 (2/4) |
| (% asymptomatic carriers/total carriers) |