Table 3.

Meta-regression analysis of gender, age, and race.

Survival rate predicators	Sample size	Adjusted difference in survival rate	p–value
Age	16,122	0.168 (−0.338, 0.584)	0.012
Sub-region
Mixed	410	−1.399 (−2.765, −0.033)	0.045
Southern	2,007	−0.511 (−1.191, 0.170)	0.141
Eastern	3,988	−1.192 (−1.762, −0.622)	< 0.001
Western	1,554	−1.058 (−1.754, −0.361)	0.003
Central	213	−1.613 (−0.008, 0.922)	0.06
Northern	1,606	Reference
Region
Mixed	410	−1.399 (−2.718, −0.080)	0.038
Sub-Sahara	7,762	−1.020 (−1.525, −0.514)	0.001
Northern Africa	1,606	Reference
Race
Black African	7,762	−1.019 (−1.524, −0.514)	0.001
Mixed	410	−1.399 (−2.718, −0.080)	0.038
Non-Black African	1,606	Reference