Table 2. Meta-regression analysis using publication year and sample size for the possible source of heterogeneity of LTFU among HIV-positive children on ART, Ethiopia, 2023.

Variables	Coefficients	P-value
Publication years	-0.0405 (-0.1613, 0.0519)	0.3
Sample size	0.0010 (- 0.0006,0.0026)	0.23