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Fig. 1 | Italian Journal of Pediatrics

Fig. 1

From: Magnitude and associated factors of virological failure among children on ART in Bahir Dar Town public health facilities, Northwest Ethiopia: a facility based cross-sectional study

Fig. 1

Schematic presentation of sampling procedure to assess the magnitude and associated factors of virological failure among children on ART in Bahir Dar Town public health facility ART clinics (2016–2019), North-west Ethiopia, 2020. Footnote: proportion was calculated using the formula \( \mathrm{ni}=\mathrm{Ni}\ \left(\frac{\mathrm{n}}{\mathrm{N}}\right) \) as follows: our calculated sample size (424) multiplied by the total number of HIV-infected children on ART at each health facility between 2016 and 2019 (Ni), then divided by the total number of HIV-infected children (N) in the selected public health facilities. For example, for AHC, it was calculated as: 81*424/681 = 50

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