Table 4.
Prevalence of msp-3 K1 and 3D7 allelic variants collected from Plasmodium falciparum isolates along Grande Comore Island in 2006–2007 and 2013–2016 periods
| Allelic variants | Number of isolates (%)a | ||
|---|---|---|---|
| 2006–2007 (n = 105) | 2013–2016 (n = 99) | Total (n = 204) | |
| K1-1 | 4 (7.6) | 9 (9.1) | 13 (6.4) |
| K1-2 | 12 (11.4) | 37 (37.4)** | 49 (24.0) |
| K1-3 | 12 (11.4) | 0 (0)** | 12 (5.9) |
| K1-4 | 2 (1.9) | 0 (0) | 2 (1.0) |
| K1-5 | 16 (15.2) | 0 (0)** | 21 (10.3) |
| K1-6 | 12 (11.4) | 0 (0)** | 12 (5.9) |
| K1-7 | 3 (2.9) | 0 (0) | 3 (1.5) |
| K1-8 | 4 (3.8) | 0 (0) | 4 (2.0) |
| 3D7-1 | 21 (20.0) | 53 (53.5)** | 69 (33.8) |
| 3D7-2 | 12 (10.4) | 0 (0)** | 12 (5.9) |
| 3D7-3 | 7 (3.8) | 0 (0)** | 7 (3.4) |
aStatistically 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