The impact of continuous quality improvement on coverage of antenatal HIV care tests in rural South Africa: Results of a stepped-wedge cluster-randomised controlled implementation trial.

Effect of CQI on HIV care tests Primary analyses—Pregnant women living with HIV Women exposed to CQI were significantly more likely to receive a VL test: the relative effect sizes (relative risks [RRs]) in our 3 primary analyses ranged from 1.38 to 1.39 ( Fig 4 , Table 4 ) and were all highly significant (all p < 0.001).

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