Table 4.

Parasitaemia and prevalence of malaria infection and anaemia at days 0, 7 and 17

		Day 0 N = 163 (95% CI)a [n]	Day 7 N = 152 (95% CI) [n]	Day 17 N = 148 (95% CI) [n]
Parasitaemia (parasites μL−1)	Geometric mean	1640·4 (1298·1–2073·0)	578·7 (351·0–954·2)	457·7 (185·2–1131·1)
	Range	20–90 640	31·4–10 360	5·4–101 080
Prevalence by microscopy (%)	Any parasitaemia	100 (97·8–100) [163]	26·3 (19·5–34·1) [40]	22·3 (15·9–29·9) [33]
	1–500 (parasites μL−1)	18·4 (12·8–25·2) [30]	9·9 (5·6–15·8) [15]	10·1 (5·8–16·2) [15]
	500–2000 (parasites μL−1)	37·4 (30·0–45·3) [61]	9·9 (5·6–15·8) [15]	8·1 (4·3–13·7) [12]
	2000–10 000 (parasites μL−1)	33·1 (26·0–40·9) [ 54]	5·9 (2·7–10·9) [9]	0·7 (0·01–3·7) [1]
	>10 000 (parasites μL−1)	11·1 (6·7–16·9) [18]	0·7 (0·02–3·6) [1]	3·4 (1·1–7·7) [5]
	PCR-corrected (P. falciparum only)	–	21·9 (15·5–29·3)b [33]	11·7 (7·0–18·1)c [17]
Prevalence by real-time PCR (%)	P. falciparum	96·9 (93·0–99·0) [158]	50·0 (41·8–58·2) [76]	39·2 (31·3–47·5) [58]
	P. malariae	49·7 (41·8–57·6) [81]	12·5 (7·7–18·8) [19]	6·1 (2·8–11·2) [9]
	P. ovale spp.	17·8 (12·3–24·5) [29]	5·3 (2·3–10·1) [8]	2·0 (0·4–5·8) [3]
Prevalence of mixed infections by real-time PCR (%)	P. falciparum/P. malariae	41·1 (33·5–49·1) [67]	10·5 (6·1–16·5) [16]	5·4 (2·4–10·4) [8]
	P. falciparum/P. ovale spp.	9·2 (5·2–14·7) [15]	3·3 (1·1–7·5) [5]	1·4 (0·2–4·8) [2]
	P. falciparum/P. malariae/P. ovale spp.	8·0 (4·3–13·3) [13]	1·3 (0·2–4·7) [2]	0·7 (0·01–3·7) [1]
Prevalence of anaemia (%)	Any anaemia	56·4 (48·5–64·2) [92]	45·4 (37·3–53·7) [69]	14·9 (9·6–21·6) [22]
	Mild	27·6 (20·1–35·1) [45]	27·6 (20·1–35·5) [42]	10·8 (6·3–17·0) [16]
	Moderate	27·6 (20·1–35·1) [45]	17·8 (12·0–24·8) [27]	4·1 (1·5–8·6) [6]
	Severe	1·2 (0·1–4·4) [2]	0	0

^a95% CI = 95% confidence interval.

^bN = 151.

^cN = 145.