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Table 2 Physical condition of IconMaxx and CTN by survey round holes by size category

From: Effectiveness of a long-lasting insecticide treatment kit (ICON® Maxx) for polyester nets over three years of household use: a WHO phase III trial in Tanzania

Survey (month) ICON Maxx lambda-cyhalothrin CTN
No. of nets Mean no. of holes per net %Percentage of holes per size   No. of nets Mean no. of holes per net %Percentage of holes per size  
1 2 3 4 1 2 3 4
Cross section survey
 0 30 0 0 0 0 30 0 0 0 0
 6 30 4 58 29 13 30 5 44 26 30
 12 30 9 72 21 7 30 7 57 30 13
 24 30 14 53 36 11
 36 50 20 59 31 8 2
Cohort survey
 0 264 0 0 0 0 266 0 0 0 0
 12 98 5 54 34 12 113 3 56 32 12
 24 46 11 66 25 9  
 36 40 15 41 50 7 2