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Table 2 Descriptive statistics of total hole counts and total hole areas as measured using WHOPES guidelines and image analysis

From: Assessing bed net damage: comparisons of three measurement methods for estimating the size, shape, and distribution of holes on bed nets

Statistic Total hole counts Total area (cm2)
WHOPES Image WHOPES Image
Minimum 0 0 0 0
1st quartile 4 4 28 3
Median 10 10 162 13
Mean 21 19 778 187
3rd quartile 24 23 793 101
Maximum 359 248 12,840 2930
Total 4863 4415   
  1. Restricted to holes with diameters ≥ 0.5 cm. N = 234 LLINs
  2. WHOPES World Health Organization Pesticide Evaluation Scheme