Table 1.

Determination of estimated sample size required based on predictors of incidence of OIs among HIV-infected children receiving ART, using cox-model in STATA version 16.

Variable	AHR	Power	Probability of withdrawal	Probability of event	Sample size (n)
CPT
Yes	-	80%	0.05	0.249	472
No	1.7
ART adherence
Good	-	80%	0.05	0.249	214
Poor/fair	2.2
Anemia
Yes	2.8	80%	0.05	0.249	119
No	-