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. 2008 Apr 11;7:57. doi: 10.1186/1475-2875-7-57

Table 2.

Proportion of patients presenting with schizonts, mean schizontaemia/counts and schizont:trophozoite ratio, according to malaria severity.

Malaria Severity Proportion of patients with schizonts on admission % (n) Geometric mean [range] schizontaemia/μL Maximum P. falciparum schizont count Schziont: Trophozoite Median [range] Ratio in peripheral blood Source
Uncomplicated 4.0 (21/530) 16 [16–65] 4/500 WBC 0.0003:1 [0.00008–0.026] [14]
3.0 (15/499) 29 [16–158] 10/500 WBC 0.0013:1 [0.00008–0.12] [6]
5.0 (25/500) 24 [16–129] 8/500 WBC 0.00087:1 [0.000055–0.0684] [15]
Hyper-parasitaemic >4% RBC parasitized 20.9 (124/594) 31 [16–324] 20/500 WBC 0.00007:1 [0.000013–0.00131] EA. Ashley#
Severe 20.3 (196/966) 6,685 [5–66,558] 17/1000 RBC* 0.09:1 [0.01 – 4.88] [16]
Case report patient n.a. 12,811 3/1000 RBC 0.25:1 -

RBC = red blood cell; WBC = white blood cell; n.a. = not applicable

* This patient died

Source: [14–16]

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