TABLE 3.
Serum antibody responses to Cryptosporidium parvum antigens among residents of Miton, Haiti
| Age group (yr) | Response to 27-kDa antigen |
Response to CpP2 |
||||
|---|---|---|---|---|---|---|
| No. of samplesa | No. (%) of samples positive | Median no. of samplesb | No. of samples | No. (%) of samples positive | Median of samplesb | |
| 0-5 | 80 | 42 (52) | 128c | 82 | 18 (22) | 40.5f |
| 6-10 | 82 | 52 (63) | 154 | 83 | 41 (49) | 126g |
| 11-20 | 118 | 59 (49) | 117d | 119 | 83 (70) | 394 |
| 21-40 | 87 | 66 (76) | 238c,d | 87 | 67 (77) | 517g |
| >40 | 69 | 64 (93) | 347e | 70 | 50 (71) | 409 |
a
Some samples had insufficient volume for multiple antigen testing.
b
Arbitrary units.
c
Significantly different by the Kruskal-Wallis test (P < 0.05).
d
Significantly different by the Kruskal-Wallis test (P < 0.05).
e
Significantly different from all other age ranges by the Kruskal-Wallis test (P < 0.05).
f
Significantly different from all other age ranges by the Kruskal-Wallis test (P < 0.05).
g
Significantly different by the Kruskal-Wallis test (P < 0.05).