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Table 3 Precision and sensitivity of ovitraps and AGOs and relationships between capture rate and rainfall

From: An improved autocidal gravid ovitrap for the control and surveillance of Aedes aegypti

Field experiment (na) Sampling device Avg. specimens / trap / day (95% CI) CVb Avg. proportion samples positive (95% CI) Spearman correlation with rain 8to28c
1 AGO-B 1.16 (0.14) 0.91 0.89 (0.08) 0.58 *
(18) AGO-A 0.36 (0.06) 1.25 0.55 (0.07) 0.56 *
  Ovitrap Pair 23.31 (5.77) 1.40 0.60 (0.08) −0.27 NS
2 AGO-B 1.74 (0.58) 1.03 0.94 (0.04) 0.96 **
(7) AGO-Bp 1.99 (0.82) 1.02 0.95 (0.05) 0.83 *
  Ovitrap Pair 37.19 (9.79) 1.02 0.89 (0.04) 0.67 NS
3 AGO-B 2.60 (0.62) 0.84 0.99 (0.03) 0.53 NS
(13) AGO-Bw 1.75 (0.55) 0.95 0.94 (0.04) 0.53 NS
  Ovitrap Pair 55.73 (14.76) 0.91 0.98 (0.02) 0.24 NS
  1. aNumber of collection dates.
  2. bCoefficient of variation = SD / mean.
  3. c* = 0.05 > P ≥ 0.01, ** = 0.01 > P ≥ 0.001, NS = not significant (P ≥ 0.05).