Table 3.
Prevalence and magnitude of antibody response to merozoite antigens by age group in Purworejo
| Season | Antigen | Age group (N) | 1-4 | 5-9 | 10-15 | 16-25 | 26-40 | >40 |
|---|---|---|---|---|---|---|---|---|
| Low |
PfMSP1-19 |
Prevalence |
1.6(62) |
1.3(77) |
7.6(66) |
8.5(71) |
12.7(115) |
22.7(97) |
| Mean OD |
0.067 |
0.071 |
0.085 |
0.093 |
0.113 |
0.142 |
||
| High |
PfMSP1-19 |
Prevalence |
5.6(71) |
5.4(74) |
8.1(74) |
18.4(76) |
23.7(118) |
35.1(114) |
| Mean OD |
0.081 |
0.091 |
0.104 |
0.133 |
0.154 |
0.192 |
||
| Low |
PfAMA1 |
Prevalence |
3.2(62) |
5.4(77) |
12.1(66) |
12.7(71) |
14.8(115) |
32.0(97) |
| Mean OD |
0.059 |
0.064 |
0.085 |
0.093 |
0.101 |
0.148 |
||
| High |
PfAMA1 |
Prevalence |
5.6(71) |
6.8(74) |
6.8(74) |
17.1(76) |
23.7(118) |
41.2(114) |
| Mean OD |
0.079 |
0.076 |
0.084 |
0.138 |
0.146 |
0.191 |
||
| Low |
Combined |
Prevalence |
4.8(62) |
9.1(77) |
16.7(66) |
21.1(71) |
30.4(115) |
52.6(97) |
| High | Prevalence | 11.2(71) | 18.9(74) | 27.0(74) | 42.1(76) | 50.0(118) | 57.0(114) |