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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/μl of blood; n: number of individuals; MOI: multiplicity of infection.