Table 1.

Rapid diagnostic test (RDT) sensitivity by parasite density, Rufiji District, Tanzania, January–March 2007 (2,311 blood smears reviewed, 471 positive blood smears)

N	Parasite density per 200 WBC	Parasite density per µL	Sensitivity (%)
15	1–5	40–200	53.3
71	6–20	240–800	47.9
91	21–50	840–2,000	42.9
71	51–100	2,040–4,000	69
108	101–500	4,040–20,000	72.2
115	> 500	> 20,000	86.1
471	–	–	65.2

WBC = white blood cells.