Table 2.
Plasmodium falciparum msp-2 PCR product numbers, size by base pair range and HE for isolates with ≥one allele identified
| Variable characteristic | Variable sub-group | Ruhuha n (%) | Mubuga n (%) |
|---|---|---|---|
| Number of clones per sample | 1 | 74 (38.0) | 141 (73.0) |
| 2 | 60 (30.8) | 48 (24.9) | |
| 3 | 35 (17.9) | 3 (1.6) | |
| 4 | 18 (9.2) | 1 (0.5) | |
| 5 | 3 (1.5) | 0 (0.0) | |
| 6 | 5 (2.6) | 0 | |
| msp-2 strain distribution | |||
| 3D7 straina | 0 | 33 (16.9) | 65 (33.7) |
| 1 | 93 (47.7) | 122 (63.2) | |
| 2 | 53 (27.2) | 5 (2.6) | |
| 3 | 15 (7.7) | 1 (0.3) | |
| 4 | 1 (0.5) | 0 (0.0) | |
| FC27 strainb | 0 | 78 (40.0) | 86 (44.6) |
| 1 | 86 (44.1) | 99 (51.3) | |
| 2 | 15 (7.7) | 8 (4.2) | |
| 3 | 11 (5.6) | 0 (0.0) | |
| 4 | 5 (2.6) | 0 (0.0) | |
| PCR products per base pair range | |||
| FC27 | 300–330 | 95 (51.9) | 114 (85.1) |
| 350–380 | 58 (31.4) | 17 (12.7) | |
| 400–430 | 15 (8.1) | 2 (1.5) | |
| 450–600 | 16 (8.6) | 1 (0.7) | |
| Total FC27 PCR products | 184 | 134 | |
| HE average HE (0.44) | 0.62 | 0.26 | |
| 3D7 | 200–300 | 166 (55.7) | 120 (83.3) |
| 320–400 | 132 (44.3) | 22 (16.7) | |
| Total 3D7 PCR products | 298 | 144 | |
| HE average HE (0.39) | 0.49 | 0.28 | |
a3D7 strain difference in distribution = χ2 < 0.0001
bFC27 strain difference in distribution = χ2 = 0.001