Table 1 Number and cumulative frequencies of anti-TH and anti-TO levels overall and by blood culture isolates
Highest titer reached; Number (%) | All (n = 1,680) | Children with culture-confirmed typhoid fever (n = 16) | Children with non-Typhi serotypes of S. enterica(n = 49) | Children with other pathogenic bacteria (n = 113) | Children with no pathogenic bacteria isolated (n = 1,502) |
|---|---|---|---|---|---|
Median age (Range)* | 1.83 (14.81) | 7.21 (11.96) | 1.58 (6.73) | 1.43 (11.83) | 1.84 (14.81) |
Anti-TH | |||||
≥1:640 | 15 (0.9) | 3 (18.8) | 5 (10.2) | 0 (0) | 7 (0.5) |
1:320 | 24 (1.4) | 6 (37.5) | 6 (12.2) | 0 (0) | 12 (0.8) |
1:160 | 36 (2.1) | 11 (68.8) | 7 (14.3) | 0 (0) | 18 (1.2) |
1:80 | 46 (2.7) | 12 (75.0) | 7 (14.3) | 1 (0.9) | 26 (1.7) |
1:40 | 85 (5.1) | 12 (75.0) | 9 (18.4) | 3 (2.7) | 61 (4.1) |
No agglutination | 1,595 (94.9) | 4 (25.0) | 40 (81.6) | 110 (97.3) | 1,441 (95.9) |
Anti-TO | |||||
≥1:640 | 6 (0.4) | 3 (18.8) | 2 (4.1) | 0 (0) | 1 (0.1) |
1:320 | 18 (1.1) | 6 (37.5) | 3 (6.1) | 0 (0) | 9 (0.6) |
1:160 | 34 (2.0) | 10 (62.5) | 6 (12.2) | 0 (0) | 18 (1.2) |
1:80 | 44 (2.6) | 11 (68.8) | 7 (14.3) | 0 (0) | 26 (1.7) |
1:40 | 95 (5.7) | 12 (75.0) | 10 (20.4) | 3 (2.7) | 70 (4.7) |
No agglutination | 1,585 (94.3) | 4 (25.0) | 39 (79.6) | 110 (97.3) | 1,432 (95.3) |