Table 5.

Positive predictive value of clinical signs and symptoms for P falciparum parasitaemia in 3129* visits made by pregnant women

Signs/symptoms	n	%	PPV† (%)	(95%CI)
Current fever‡	377	12.1	50	(45–56)
Fever or history of fever§	2044	65.4	33	(31–35)
Arthromyalgias	2339	74.8	29	(28–31)
Headache	2706	86.5	28	(27–30)
Convulsions	13	0.4	23	(5.0–54)
Pallor	218	7.0	27	(21–33)

* Number of first or only visits of pregnant women with criteria for blood collection and complete laboratory results

† Positive Predictive Value

‡ Axillary temperature ≥ 37.5°C

§Axillary temperature ≥ 37.5°C and/or history of fever in the last 24 hours