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Table 1 Genotypic frequency in An. arabiensis populations from the four areas in Sudan 2010–2014. A P-value < 0.05 indicates significant departure from HWE

From: Temporal and spatial trends in insecticide resistance in Anopheles arabiensis in Sudan: outcomes from an evaluation of implications of insecticide resistance for malaria vector control

Area Year Sample size Scored Failed Genotype frequency (%) HWE-test
LL LF FF
El Hoosh 2010 950 834 116 519 (62.2) 288 (34.5) 27 (3.3) χ2(1) = 2.93; P > 0.05
2011 1082 1072 10 364 (34) 561 (52.3) 147 (13.7) χ2(1) = 8.94; P < 0.001
2012 912 879 33 501 (57) 327 (37.2) 51 (5.8) χ2(1) = 0.06; P > 0.05
2013 912 900 12 561 (62.3) 302 (33.6) 37 (4.1) χ2(1) = 0.21; P > 0.05
2014 912 912 0 608 (66.7) 269 (29.5) 35 (3.8) χ2(1) = 0.58; P > 0.05
Hag Abdalla 2010 950 906 44 541 (59.7) 317 (35) 48 (5.3) χ2(1) = 0.03; P > 0.05
2011 975 973 2 364 (37.4) 518 (53.2) 91 (9.4) χ2(1) = 23.59; P < 0.0001
2012 912 883 29 458 (51.9) 371 (42) 54 (6.1) χ2(1) = 3.48 P > 0.05
2013 912 903 9 555 (61.5) 298 (33) 50 (5.5) χ2(1) = 1.41 P > 0.05
2014 912 909 3 625 (68.8) 258 (28.3) 26 (2.9) χ2(1) = 0.01; P > 0.05
Galabat 2010 644 626 18 191 (30.5) 248 (39.6) 187 (29.9) χ2(1) = 26.98; P < 0.0001
2011 853 848 5 65 (7.7) 431 (50.8) 352 (41.5) χ2(1) = 18.57; P < 0.0001
2012 624 608 16 116 (19.1) 249 (40.9) 243 (40) χ2(1) = 12.52; P < 0.001
2013 624 618 6 151 (24.4) 316 (51.2) 151 (24.4) χ2(1) = 0.31; P > 0.05
2014 624 621 3 234 (37.7) 305 (49.1) 82 (13.2) χ2(1) = 1.25; P > 0.05
New Halfa 2010 950 921 29 332 (36) 443 (48.1) 146 (15.9) χ2(1) = 0.01; P > 0.05
2011 747 745 2 138 (18.5) 391 (52.5) 216 (29) χ2(1) = 2.79; P > 0.05
2012 912 912 0 272 (29.8) 438 (48) 202 (22.1) χ2(1) = 1.04; P > 0.05
2013 912 909 3 368 (40.5) 431 (47.4) 110 (12.1) χ2(1) = 0.89; P > 0.05
2014 912 912 0 413 (45.3) 454 (49.8) 45 (4.9) χ2(1) = 32.66; P < 0.0001
  1. Abbreviations: LL homozygous susceptible; LF heterozygous; FF homozygous resistant; HWE Hardy-Weinberg expectation