. 2010 Nov 25;9:341. doi: 10.1186/1475-2875-9-341

Table 4.

Delayed 24-hour mortality of Culex quinquefasciatus S-Lab after a 30-minute exposure to treated and control walls.

WHO Bioassays% Mortality Culex quinquefasciatus S-lab	Untreated bed net (Control)	Untreated bed net + 2 layers Control Paint on walls and ceiling	Untreated bed net +1 layer IP on walls	Untreated bed net +1 layer IP on walls and ceiling	Untreated bed net +2 layers IP on walls	Untreated bed net +2 layers IP on walls and ceiling
T3	5.5^a	6.2^a	100^b	100^b	100^b	100^b

T6	13.8^a	10.3^a	100^b	98.3^b	100^b	100^b

T9	1.6^a	3.3^a	72.6^b	49.2^c	100^d	98.4^d

T12	1.6^a	0^a	5^a	8.1^a	70^b	72.4^b

IP = Insecticide Paint. T0, T3, T6, T9 and T12 = 0, 3, 6, 9 and 12 months after treatment

Values in the same row sharing a letter superscript do not differ significantly (P ≥ 0.05)