Table 1

- The general characteristics, the estimated prevalence of pre-HTN, HTN, awareness, treatment and control rates of HTN in the included studies (continuation).

sn	Author, year	Region	HTN% (95%CI)	Awareness % (95%CI)	Treatment % (95%CI)	Control % (95%CI)	QA
	National community studies
1	Osman & Al Nozha,³¹ 2000	Nat	25.9	NR	NR	NR	7
2	Al-Nozha et al,³² 2007	Nat	26.1 (25.4-26.8)	33.1%	75%	25%	9
3	Saeed et al,³³ 2011	Nat	25.5 (24.3-26.8)	44.7 (41.9-47.5)	71.8	37	9
4	Khoja et al,³⁴ 2018	Nat	29.7				8
5	El Bcheraoui et al,³⁵ 2014	Nat	15.2 (14.5-15.9) PreHTN 40.6 (39.7-41.5)	42.2	36.8	16.6	8
6	Al-Daghri et al,36 2011	Nat	32.6 (31.7-33.6)				8
	Regional community studies
7	Abolfotouh et al,³⁷ 1996	Asir/Abha	21.6%	23.5	76	20.2	7
8	Al-Baghli et al,³⁸ 2009	Eastern province	13 (12.9-13.2)	NR	NR	34.3 (33.7-34.9)	7
9	Elkhalifa et al,³⁹ 2011	Jeddah	22.6 (17.5-28.4)	NR	NR	NR	6
10	Alsuwaida & Alghonaim,⁴⁰ 2011	Riyadh	27.6	61.4	70.2	40.8	9
11	Gutierrez et al,⁴¹ 2018	Tabuk	11.1 preHTN 18.5				6
12	Saquib et al,⁴² 2017	Qassim	71.3		6		6
13	Mirza A,⁴³ 2016	Makkah	31.9% (27.6–36.2)	53.9%		38.1%	6
14	Ahmed H,⁴⁴ 2014	13 towns in Hail	33.40%				7
15	Alkahtani SA,⁴⁵ 2016	Private sector Dammam and Al-Khobar	34% (44.6% prehypertensive)				6
16	Alyabsi M,⁴⁶ 2020	The Saudi Biobank	14.5% (14.37 - 14.61)		24.8% (24.69 - 24.98)	Not controlled 27.8% (24.31- 31.59)	8
17	Al-Mohaissen M,⁴⁷ 2020	Princess Nourah University, Riyadh	27.1%				7
18	Alanazi AM,⁴⁸ 2018	Northern Border University, Arar	13.8%				6
19	Baig M,⁴⁹ 2015	King Abdulaziz University, Rabigh and Jeddah	7.5%				6
20	Madkhali A,⁵⁰ 2022	Samtah city, Jazan	4.2% prehypertensin 5%				6
21	Rehmani R,⁵¹ 2013	Al-Hasa and Dammam	9%				7
	Primary health care studies for awareness and control
22	Elzubier & Al-Shahri,⁵² 1997	East				37.2	7
23	Al-Tuwijri & Al-Rukban,⁵³ 2006	Riyadh		ALL		40.4	7
24	Al-Rukban et al,⁵⁴ 2007	Riyadh		ALL		25.4	7
25	Safar et al,⁵⁵ 2014	Aseer				40%	6
26	AlQuaiz et al,⁵⁶ 2021	Riyadh	18.1			9.6	8
27	Kalantan et al,⁵⁷ 2001	Qassim	30	22.8			7
28	Al-Qahtani,⁵⁸ 2018	Najran		ALL		51.3%	7
	Hospital affiliated outpatients
29	Ahmed & El-Awad,⁵⁹ 2001	Abha				48.8	6

HTN: hypertension, NR: not reported, ALL: all participants, SN: study number QA: quality assessment