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Health Facility Characteristics and Their Relationship to Coverage of PMTCT of HIV Services across Four African Countries: The PEARL Study

Figure 2

Relationship of composite PMTCT score and PMTCT coverage, PEARL Facility Survey, 2007–2009.

Areas of the circles are proportional to the size of the cord blood sample used to estimate PMTCT coverage Line is based on the GEE model that accounts for clustering.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0029823.g002