Figure 4From: Assessment of service quality of public antiretroviral treatment (ART) clinics in South Africa: a cross-sectional study Correlation of the workload and the duration of the visits per staff (Figure 4a [clinicians] and 4b [counsellors]), and correlation of the duration of the visits and performance per staff (Figure 4c [clinicians] and 4d [counsellors]). Each dot (♦) represents a particular visit; R2: correlation coefficient; PS: performance standards.Back to article page