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Table 5 Distribution of Msp-1 block 2 allelic types among parasitaemic groups of P. falciparum infected patients from Mauritania

From: Polymorphism of the merozoite surface protein-1 block 2 region in Plasmodium falciparum isolates from Mauritania

Allelic type

 

Parasitaemia*

 

50-499 n (%)

500-4999 n (%)

≥5000 n (%)

Total

K1

1(0.9)

6(5.3)

5(4.4)

12(10.6)

Mad20

1(0.9)

2(1.8)

0

3(3.5)

Ro33

0

2(1.8)

3(2.6)

5(4.4)

K1/Mad20

1(0.9)

10(8.8)

13(11.5)

24(21.2)

K1/Ro33

6(5.3)

9(7.9)

4(3.5)

19(16.8)

Mad20/Ro33

0

1(0.9)

2(1.8)

3(2.6)

K1/Mad20/Ro33

2(1.8)

22(19.5)

23(20.3)

47(41.6)

Total

11(9.7)

52(46.0)

50(44.3)

113(100.0)

Total K1

10(90.9)

47(90.4)

45(90.0)

102(90.3)

Total Mad20

4(36.4)

35(67.3)

38(76.0)

77(68.1)

Total Ro33

8(72.7)

34(65.4)

42(84.0)

74(65.5)

Multiclonal isolates

9(7.9)

42(37.2)

42(37.2)

93(82.3)

MOI

2.6

3.4

3.6

3.2

  1. (*) parasite/ÎĽl of blood; n: number of individuals; MOI: multiplicity of infection.