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Table 3 Prevalence of msp-2 FC27 and 3D7 allelic variants collected from Plasmodium falciparum isolates along Grande Comore Island in 2006–2007 and 2013–2016 periods

From: Temporal changes in genetic diversity of msp-1, msp-2, and msp-3 in Plasmodium falciparum isolates from Grande Comore Island after introduction of ACT

FC27 allele Number of isolates (%)a 3D7 allele Number of isolates (%)a
2006–2007 (n = 62) 2013–2016 (n = 80) 2006–2007 (n = 56) 2013–2016 (n = 33)
FC27-1 4 (6.4) 8 (10.0) 3D7-1 4 (7.1) 2 (6.1)
FC27-2 1 (1.6) 3 (3.8) 3D7-2 19 (34.0) 2 (6.1)**
FC27-3 2 (3.2) 2 (2.5) 3D7-3 3 (5.4) 3 (9.1)
FC27-4 0 (0) 3 (3.7) 3D7-4 4 (7.2) 0 (0)**
FC27-5 8 (12.9) 0 (0)** 3D7-5 3 (5.4) 0 (0)*
FC27-6 3 (4.8) 0 (0)** 3D7-6 1 (1.8) 0 (0)
FC27-7 6 (9.7) 0 (0)** 3D7-7 0 (0) 3 (9.1)**
FC27-8 0 (0) 2 (2.5) 3D7-8 3 (5.4) 2 (6.1)
FC27-9 2 (3.2) 3 (3.8) 3D7-9 6 (10.7) 16 (48.5)**
FC27-10 8 (12.9) 2 (2.5)** 3D7-10 2 (3.6) 0 (0)
FC27-11 4 (6.5) 0 (0)** 3D7-11 3 (5.4) 2 (6.1)
FC27-12 3 (4.8) 2 (2.5) 3D7-12 0 (0) 3 (9.1)**
FC27-13 3 (4.8) 3 (3.8) 3D7-13 4 (7.1) 0 (0)**
FC27-14 7 (11.3) 47 (58.8)** 3D7-14 1 (1.8) 0 (0)
FC27-15 0 (0) 2 (2.5) 3D7-15 3 (5.4) 0 (0)*
FC27-16 5 (8.1) 0 (0)**    
FC27-17 0 (0) 1 (1.3)    
FC27-18 0 (0) 2 (2.5)    
FC27-19 3 (4.8) 0 (0)**    
FC27-20 1 (1.6) 0 (0)    
FC27-21 2 (3.2) 0 (0)    
  1. a Statistically significant differences for comparison with isolates circulating in 2006–2007 from Grande Comore island (* P < 0.05; ** P < 0.01) using Mann–Whitney U test