Table 2

Types of data to be extracted

Field	Description
Author	First author Multiple papers reporting on the same participants are treated as one study
Year	Year the study was published
Country of study	Country in which the study was conducted For multicountry studies, only data related to low-income or middle-income countries will be extracted
Design	Description of study design and research methodology
Setting	Site of study (community, health facility, etc), patient recruitment and conduct of the study
Study population	Study population characteristics (age, sex, sexual identity or other characteristics)
Intervention	Description of ART-related clinical services provided by healthcare providers in different countries including timing and duration
Primary outcomes	Summary of primary outcomes assessed Where reported, proportions, rates or other measures of risks, as well as HR and confidence limits will be included Calculated outcomes will be marked as ‘calculated’
Secondary outcomes	Summary of secondary outcomes assessed Where reported, proportions, rates or other measures of risks, as well as HR and confidence limits will be included Calculated outcomes will be marked as ‘calculated’
Quality assessment	Quality scores of included studies
Limitations	Sources of bias