Table 2 Overview of the hypertension related studies included in the final analysis

Structured search

 1

Prevalence, awareness, treatment, and control of hypertension among Saudi adult population: A national survey: Saeed A.A et al.; 2011 [17]

Cross–sectional community–based study

N = 4,758 enrolled from 20 health regions of Saudi Arabia; aged 15.0–64.0 years

25.5

44.7

X

X

71.8

X

37.0

 2

Cardiovascular risk factors burden in Saudi Arabia: The Africa Middle East Cardiovascular Epidemiological (ACE) study Ahmed A.M et al.; 2017 [24]

Cross–sectional epidemiological study (subgroup analysis)

N = 550 enrolled from different clinics across Saudi Arabia; mean age 43.2 ± 10.5 years

41.8

X

X

X

X

X

X

 3

Hypertension and its associated risk factors in the Kingdom of Saudi Arabia, 2013: A national survey: El Bcheraoui C et al.; 2014 [10]

National multistage survey

N = 10,735 enrolled from 13 regions of Saudi Arabia; aged 15.0– > 65.0 years

15.2

X

X

42.2

78.9

X

45.0

 4

Prevalence, awareness, treatment, and control of hypertension in four Middle East countries: Yusufali A.M et al.; 2017 [25]

Large-scale epidemiological study (PURE study)

N = 1,56,424 enrolled from 628 communities in 17 countries; aged 35.0–70.0 years

n = 2041 enrolled from Saudi Arabia; mean age 48.0 ± 9.4 years, (M); 45.0 ± 8.5 years (F)

36.0

56.0

X

X

53.0

X

27.0

Unstructured search

 5

KSA WHS 2019: Ministry of Health; 2021 [11]

Population–based survey

N = 8,912 enrolled from 13 administrative regions; aged ≥ 15.0 years

14.0

X

X

X

X

X

X

 6

Global Status report on noncommunicable diseases 2014 [26]

Global status report tracking worldwide progress in prevention and control of NCDs

Adults (> 18.0 years)

21.8

X

X

X

X

X

X

 7

Factors affecting antihypertensive medications adherence among hypertensive patients in Saudi Arabia: Alsolami F et al.; 2015 [27]

Cross–sectional study

N = 308 enrolled from outpatient department of the hospital; aged ≥ 18.0 years

X

X

X

X

27.9

X

X

 8

Predictors of medication adherence and blood pressure control among Saudi hypertensive patients attending primary care clinics: A cross-sectional study: Khayyat S.M. et al.; 2017 [28]

Prospective cross–sectional study

N = 204 enrolled from eight different PHCs; aged > 18.0 years

X

X

X

X

X

22.5

X

 9

Demographic, behavioral, and cardiovascular disease risk factors in the Saudi population: results from the Prospective Urban Rural Epidemiology study (PURE-Saudi): Alhabib K.F. et al.; 2020 [29]

Cohort study (subgroup analysis)

N = 2,047 enrolled from 19 urban and six rural communities; mean age 46.5 ± 9.1 years

30.3

61.1 (of 30.3)

X

X

58.9

X

30.7

 10

May measurement month 2019: an analysis of blood pressure screening results from Saudi Arabia: Aljuraiban G.S. et al.; 2021 [30]

Awareness initiative in collaboration with the Saudi Ministry of Health

N = 25,023 enrolled from 92 primary care centers aged ≥ 18.0 years

29.2

60.8

100.0

X

60.8

X

39.3

 11

The association between hypertension and other cardiovascular risk factors among nondiabetics Saudis adults–A cross sectional study: Ajabnoor G.M.A. et al.; 2021 [31]

Cross sectional study

N = 1334 enrolled from PHCs

14.8^a

X

X

X

X

X

X

 12

Social knowledge of symptoms, risk factors, causes and complications of hypertension among Al-Ahsa population, Saudi Arabia: Elsheikh E et al.; 2021 [32]

Cross-sectional study

N = 660 enrolled from multiple PHCs; aged ≥ 18.0 years

X

27.6

100.0

X

X

X

X

 13

Are patients affected by chronic non-communicable diseases aware of their own clinical and laboratory parameters? A cross-sectional study from the south of Saudi Arabia: Gosadi I.M.et al.; 2021 [33]

Cross-sectional study

N = 675 enrolled from 65 PHCs; aged 18.0–95.0 years

X

48.7 (SBP)

47.3

(DBP)

X

X

X

X

X

 14

Prevalence of diabetes and hypertension among King Abdulaziz University Employees: Data from first aid and cardiopulmonary resuscitation training program: Khafaji M.A. et al.; 2021 [34]

Retrospective study

N = 1000 enrolled from the university campus; aged 21.0– > 60.0 years

31.0

X

100.0

X

X

X

X