DOI: 10.1128/JCM.01403-06
Article Figures & Data
Tables
- TABLE 1.
Demographics of the study cohort
Age group (yr) No. of males No. of females <10 6 5 10-20 34 29 21-30 33 28 31-40 12 12 >40 10 8 - TABLE 2.
Comparative performance of the four serological test kitsa
Test kit Sensitivity % (95% CI) Specificity % (95% CI) PPV % NPV % TUBEX 94.7 (86.2-98.3) 80.4 (71.1-87.3) 78.0 95.3 SD Bioline IgM 69.0 (55.3-80.1) 79.3 (69.4-86.8) 67.8 80.2 IgG 70.7 (57.1-81.5) 76.1 (65.9-84.1) 65.1 80.5 Typhidot IgM 54.7 (42.8-66.1) 64.7 (54.6-73.7) 53.2 66.0 IgG 73.3 (61.7-82.6) 46.1 (36.3-56.2) 50.0 70.1 Mega IgM 90.7 (81.1-95.8) 49.0 (39.1-59.1) 56.7 87.7 IgG 96.0 (88.0-99.0) 39.2 (29.0-49.4) 53.7 93.0 ↵ a For SD Bioline, the number of serotype Typhi culture-positive subjects examined was 58, and the number culture-negative subjects was 92; for all other tests, the number of culture-positive subjects was 75, and the number of culture-negative subjects was 102. PPV, positive predictive value; NPV, negative predictive value.
