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Table 4 Mortality rate of An. culicifacies in treated and untreated arms with the results of negative binomial regression analysis

From: Evaluation of DawaPlus 3.0 and DawaPlus 4.0, deltamethrin–PBO combination nets against pyrethroid-resistant Anopheles culicifacies in experimental huts in India

Experiment armsNumber enteredaImmediate mortality (%)Delayed mortality (%)Total mortality (%)Odds ratio95% CIp
Untreated polyester net (negative control)2640.00.00.0
Unwashed DawaPlus 2.0 (positive control)170.017.617.61.00b
DawaPlus 2.0 washed 20 times (positive control)310.025.825.81.6230.368–7.1590.522
Unwashed DawaPlus 3.0100.050.050.04.6670.804–27.0770.086
DawaPlus 3.0 washed 20
times
190.031.631.62.1540.444–10.4380.341
Unwashed DawaPlus 4.0120.041.741.73.3330.612–18.1490.164
DawaPlus 4.0 washed 20 times210.033.333.32.3330.499–10.9070.282
  1. aOut of the total 42 collections in each arm
  2. bSince, no mortality was recorded with untreated net (negative control), it was removed from the grouped data. Instead, the positive control, unwashed DawaPlus 2.0 was used as reference category for logistic regression analysis