Table 2.

Characteristics of P. knowlesi parasites in naturally acquired human infections.

	Malaria pigment (%)		*Chromatin dots (%)			**Number of parasites in single erythrocyte (%)			Band form trophozoite	Appliqué form
Patient code	Clumped	Scattered	Single	Double	Triple	1	2	3
KH369	81.5	18.5	71.6	25.8	2.6	92.4	6.8	0.8	Yes	Yes
KH364	75.0	25.0	92.2	7.8	0	74.9	20.6	4.5	Yes	Yes
KH370	n	n	88.9	11.1	0	100.0	-	-	Yes	-
KH412	100.0	0	62.5	37.5	0	100.0	-	-	Yes	Yes
KH433	n	n	85.7	14.3	0	100.0	-	-	-	-
KH431	5.6	94.4	89.3	10.7	0	98.2	1.8	-	Yes	-
KH421	16.7	83.3	81.3	18.7	0	100.0	-	-	-	-
KH422	0	100	0	0	0	100.0	-	-	Yes	-
KH328	0	100	85.7	14.3	0	100.0	-	-	-	-
KH399	33.3	66.7	100.0	0	0	100.0	-	-	-	-

*based on early trophozoites or ring form stages, and these were absent in patient KH422.

**based on early and late trophozoite stages.

n = no pigment because no mature trophozoites were observed.