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. 2012 Feb 9;11:40. doi: 10.1186/1475-2875-11-40

Table 2.

Mean daily human biting rate (HBR) during the dry and the rainy season; dry, rainy and annual CSP indices; dry, rainy and annual entomological inoculation rates (EIR) of An. gambiae s.l. by sites in Libreville: data collected from December 2008 to January 2010

Dry season Rainy season All year

Total collected HBR Tested for CSP CSP rate [95% C.I] Dry season EIR Total collected HBR Tested for CSP CSP rate [95% C.I] Rainy season EIR Dry CSP/Rainy CSP Annual CSP Annual EIR Annual averaged CSP* Annual averaged EIR*
Alibandeng 65 2.5 65 0
[0.0; 5.5]
0.0 1546 20.6 1526 0.26 [0.07;0.67] 2.5 NS 0.25 [0.06;0.64] 13.3 - -

Camp des Boys 109 4.3 108 0.93 [0.02;5.05] 4.7 1127 15.8 1113 0.89 [0.43;1.64] 34.5 NS 0.9 [0.45;1.60] 39.2 1.11 48.4

Beauséjour 35 1.5 35 0
[0.0;10.0]
0.0 240 5.3 239 0.84 [0.10;2.89] 9.3 NS 0.72 [0.08;2.61] 10.6 1.11 16.3

Sotega 260 10.8 259 1.16 [0.23;3.34] 19.2 702 19.5 701 1.57 [0.78;5.1] 68.7 NS 1.45 [0.79;2.43] 87.9 1.11 67.3

Akébé-Poteau - - - - - 139 9.2 139 1.43 [0.17;5.1] 31.9 - 1.43 [0.17;5.1] - - -

Total 469 4.7 467 0.85 [0.23;2.17] 4.5 3754 15.5 3718 0.78 [0.52;1.11] 29.4 NS 0.78 [0.54;1.09] 33.9 - -

*Annual CSP indexes of the four areas studied during the two seasons have been compared using Chi2 test. Only the Annual CSP index of Alibandeng was statistically different of the others. An annual averaged CSP index has been calculated for the three remaining areas.