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Table 2 Known Anopheles vector per man hour resting density (PMHRD) recorded during the study period (Oct 2013- Mar 2014)

From: Absence of asymptomatic malaria in a cohort of 133 individuals in a malaria endemic area of Assam, India

Months   Anopheles vectors F (p)/R2
Variables An. nivipes An. minimus An. annularis An. vagus An. aconitus An. philippinensis An. culicifacies  
Oct 2013 Mean ± SEM 9.5 ± 1.7 1.3 ± 0.6 6.8 ± 1.8 15.5 ± 3.5 0.8 ± 0.5 NR NR 10.0 (0.0004)/0.7
  COV (%) 36.0 100.7 53.2 44.9 127.7    
  95 % CI 4.1–15.0 –0.8–3.3 1.0–12.5 4.5–26.6 −0.8–2.3    
Nov 2013 Mean ± SEM NR NR 3.0 ± 0.8 3.0 ± 0.9 1.3 ± 0.5 1.3 ± 0.8 NR 2.1 (0.2)/0.3
  COV (%) 54.4 60.9 81.7 120   
  95 % CI 0.4–5.6 0.1–5.9 −0.7–3.0 −1.1–3.6   
Dec 2013 Mean ± SEM NR NR 1.5 ± 0.6 2.0 ± 0.4 1.0 ± 0.4 0.8 ± 0.5 NR 1.3 (0.3)/0.2
  COV (%) 86.1 40.8 81.7 127.7   
  95 % CI −0.6–3.6 0.7–3.3 −0.3–2.3 −0.8–2.3   
Jan 2014 No known malaria vector recorded
Feb 2014 No known malaria vector recorded
Mar 2014 Mean ± SEM NR NR 0.3 ± 0.3 5.8 ± 2.5 NR 2.3 ± 0.7 0.5 ± 0.3 3.9 (0.04)/0.5
  COV (%)    200 86.8   42.6 115.5  
  95 % CI    −0.5–1.0 −2.2–13.7   0.7–3.8 −0.4–1.4  
  1. SEM standard error mean, NR not recorded, COV coefficient of variance, CI confidence interval