Skip to main content

Table 4 95% confidence intervals for imprecision based on previously reported 6-month weight and MUAC gain

From: Reliability of anthropometric measures in a longitudinal cohort of patients initiating ART in West Africa

    Best case Worst case
  6-month gain   TEM % gain represented by ± 2TEM TEM % gain represented by ± 2TEM
Weight (kg) 2.8*      
   Obs. 1 (intra) 0.66 65.3 0.84 83.2
   Obs. 2 (intra) 0.51 50.5 0.58 57.4
   Obs. 3 (intra) 0.65 64.3 2.26 223.7
   Inter 0.30 29.7 0.97 96.0
   Total 0.68 67.3 1.74 172.1
MUAC (cm) 1†      
   Obs. 1 (intra) 0.35 97.0 1.66 460.1
   Obs. 2 (intra) 0.36 99.8 0.51 141.4
   Obs. 3 (intra) 0.49 135.8 0.69 191.3
   Inter 0.43 119.2 1.30 360.3
   Total 0.77 213.6 1.57 435.1
  1. * Obtained from Saghayam et al. (2007)
  2. † Obtained from Kamya et al. (2007)
  3. ‡ Total TEM calculated using best or worse intra- and inter-TEM as indicated in table 4