Table 8.

Proportion of nets meeting optimal (KD60 ≥95 % or mortality ≥80 %) and minimal WHO criteria (KD60 ≥75 % or mortality ≥50 %)

Optimal effectiveness (n) %, 95 % CI
	PermaNet® (n) %, 95 % CI	Olyset® (n) %, 95 % CI	All nets (n) %, 95 % CI
LLIN age
12 months	(14) 77.8, 58.6–96.7†	(6) 33.3, 11.6–55.1	(20) 55.6, 39.3–71.8
24 months	(7) 38.9, 16.4–61.4	(6) 30.0, 9.9–50.1	(13) 34.2, 19.1–51.4
Minimal effectiveness
12 months	(18) 100.0, 100.0–100.0†	(14) 77.8, 58.6–97.0	(32) 88.9, 78.6–96.9
24 months	(11) 61.1, 38.6–83.6	(14) 70.0, 49.9–88.1	(25) 65.8, 50.7–80.9*

* All nets, 12 versus 24 months, p < 0.01

^†PermaNet versus Olyset, p < 0.01