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Table 3 Positive predictive value (PPV) of clinical signs and symptom for Plasmodium falciparum infection among the 200 pregnant women recruited as cases

From: Clinical signs and symptoms cannot reliably predict Plasmodium falciparum malaria infection in pregnant women living in an area of high seasonal transmission

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)