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Table 5 Distribution of msp-1 block 2 allelic types among parasitaemic groups from 3 regions of Lao PDR

From: Genetic analysis of the merozoite surface protein-1 block 2 allelic types in Plasmodium falciparum clinical isolates from Lao PDR

msp-1 block 2 allelic type

Parasitaemia (cells/μl)

Number of cases (%)

Total

≤ 80

120-480

520-960

≥ 1000

K1

6 (2.88)

18 (8.65)

30 (14.42)

10 (4.80)

64 (30.76)

MAD20

1 (0.48)

7 (3.36)

14 (6.73)

5 (2.40)

27 (12.98)

RO33

2 (0.96)

4 (1.92)

6 (2.88)

0

12 (5.76)

K1 + MAD20

3 (1.44)

12 (5.76)

19 (9.13)

11 (5.28)

45 (21.63)

K1 + RO33

3 (1.44)

6 (2.88)

12 (5.76)

4 (1.92)

25 (12.01)

MAD20 + RO33

0

5 (2.40)

5 (2.40)

5 (2.40)

15 (7.21)

K1 + MAD20 + RO33

2 (0.96)

9 (4.32)

8 (3.84)

1 (0.48)

20 (9.61)

Multiclonal isolates

8 (3.84)

32 (15.38)

44 (21.15)

21 (10.09)

105 (50.48)

MOI

1.6

1.7

1.6

1.6

1.6

Total

17 (8.17)

61 (29.32)

94 (45.19)

36 (17.30)

208 (100.00)