. 2007 Feb;85(2):138–145. doi: 10.2471/BLT.06.029389

Table 2. Entomological parameters estimated from the indoor landing Culex quinquefasciatus, Tirukoilur, south India.

Treatment in villages	Period	Mosquitoes caught per worker hour	Number dissected	Number infected (%) with  95% CI^a	Number infective (%) with  95% CI^a	Mean number of third-stage larvae (L₃)	Mean annual biting rate	Mean annual infective biting rate	Mean annual transmission potential
Mass drug administration (MDA) alone	July 1999–March 2002	14.44	4678	64 (1.37)^b [1.1–1.7]	7 (0.15)^c [0.1–0.3]	4.14	54 309	159.70	326.98
Mass drug administration (MDA) alone	April 2002–August 2005	4.16	549	9 (1.64)^b [0.9–3.1]	1 (0.18)^c [0.03–1.0]	15.00	17 661	30.42	456.25
MDA with vector control	July 1999–March 2002	0.17	66	0 (0)^b [5.5]	0 (0)^c [5.5]	0	1833	0	0
MDA with vector control	April 2002–August 2005	0.32	66	0 (0)^b [5.5]	0 (0)^c [5.5]	0	2008	0	0

^a 95% binomial confidence interval. ^b No significant difference among % infected (based on χ² or Fisher’s exact test). ^c No significant difference among % infective (based on χ² or Fisher’s exact test).