Table 5

- Meta-analysis for the pooled proportion of hypertension control cases among hypertensive subjects across the published studies.

Study	Sample size	Control cases Proportion (%)	95% CI	Weight (%)
Study	Sample size	Control cases Proportion (%)	95% CI	Fixed	Random
Al-Nozha et al, 2007	17230	24.962	24.317 to 25.616	6.45	6.36
Saeed et al, 2011	4758	36.990	35.616 to 38.380	1.78	6.35
El Bcheraoui et al, 2014	10735	16.600	15.901 to 17.317	4.02	6.35
Abolfotouh et al, 1996	1739	18.821	16.992 to 20.721	0.66	6.73
Al-Baghli et al, 2009	197681	34.300	34.091 to 34.510	73.96	6.36
Alsuwaida & Alghonaim, 2011	814	40.786	37.387 to 44.252	0.30	6.28
Mirza A, 2016	770	38.052	34.609 to 41.587	0.29	6.28
Alyabsi M, 2020	10799	72.822	71.972 to 73.659	4.04	6.35
Elzubier and Al-Shahri, 1997	311	37.299	31.907 to 42.935	0.12	6.15
Al-Tuwijri & Al-Rukban, 2006	255	40.392	34.317 to 46.694	0.096	6.11
Al-Rukban et al, 2007	201	25.373	19.513 to 31.975	0.076	6.05
Safar et al, 2014	15942	40.001	39.240 to 40.767	5.96	6.36
AlQuaiz et al, 2021	2997	9.610	8.578 to 10.721	1.12	6.34
AlQahtani, 2018	382	51.309	46.172 to 56.425	0.14	6.19
Ahmed & El-Awad, 2001	203	48.768	41.709 to 55.865	0.076	6.05
Total (fixed effects)	264817	34.419	34.238 to 34.600	100.00	100.00
Total (random effects)	264817	34.967	27.625 to 42.685	100.00	100.00