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Positive predictive value (PPV) of clinical signs and symptom for Plasmodium falciparum infection among the 200 pregnant women recruited as cases
| Signs/Symptoms | n | % | PPV (%) | (95%CI) |
|---|---|---|---|---|
| Fever |
38 |
19.0 |
53 |
(41–64) |
| History of fever |
29 |
14.5 |
58 |
(37–63) |
| Pain in the joints |
6 |
3.0 |
25 |
(6 – 44) |
| Headache |
57 |
28.5 |
51 |
(41 – 61) |
| Dizziness |
3 |
1.5 |
47 |
(41–64) |
| Vomiting |
3 |
1.5 |
38 |
(37–63) |
| Convulsions |
1 |
0.5 |
33 |
(6–79) |
| Malaise | 7 | 3.5 | 30 | (41 –61) |
