TABLE 1.
Receiver operating characteristic area under the curve (AUC) for anti-HlyE and LPS IgA using DPP for distinguishing enteric fever cases (S. Typhi or S. Paratyphi A) patients from controlsa
| Antigen(s) | Febrile controls |
All endemic controls |
||||
|---|---|---|---|---|---|---|
| AUC | Specificity (%)b |
Sensitivity (%)c |
AUC | Specificity (%) |
Sensitivity (%) |
|
| HlyE | 0.95 (0.90−1.00) | 92 | 89 | 0.93 (0.88−0.98) | 84 | 84 |
| LPS | 0.95 (0.90−1.00) | 88 | 88 | 0.96 (0.92−1.00) | 92 | 91 |
| Both | 0.98 (0.9−1.00) | 96 | 90 | 0.98 (0.96−1.00) | 98 | 92 |
a
Values for both antigens are shown in boldface type.
b
Specificity at 90% sensitivity.
c
Sensitivity at 90% specificity.