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. 2019 Aug;15(2):113–122. doi: 10.2174/1573402115666190118142818

Table 2. Prevalence of HTN based on subgroup.

Variable Categories Number of Studies Sample Size Prevalence (%) Confidence Interval 95% Hetrogenicity
I2 P
Type of study Cross sectional 52 898598 26 23-30 99.9 0.0001
Cohort 5 6374 22 7-21 97.6 0.0001
Language of study English 28 3510 25 19-29 99.9 0.0001
Persian 21 362495 24 21-31 99.9 0.0001
Population Drivers 3 1740 31 19-42 95.3 0.0001
Patients 4 15081 12 -4)-60) 100 0.0001
Women 5 1370 26 3-47 99.2 0.0001
Elderly 6 2510 42 22-62 99.2 0.0001
Adults 40 904972 24 18-26 99.9 0.0001
Gender Male 23 404580 24 20-28 99.9 0.0001
Female 23 383542 25 19-31 99.9 0.0001
Region Region1 15 200736 24 14-30 100 0.0001
Region2 15 472301 22 16-36 99.9 0.0001
Region3 3 3925 33 (-5)-72 99.9 0.0001
Region4 7 3105 28 15-40 98.9 0.0001
Region5 11 31104 24 14-33 99.8 0.0001
Unknown 7 162995 27 23-31 99.9 0.0001

Region 1: Provinces of Tehran, Alborz, Qazvin, Mazandaran, Semnan, Golestan and Qom; Region 2: Isfahan, Fars, Bushehr, Chaharmahal Bakhtiari, Hormozgan and Kohkiloyeh and Boyerahmad provinces; Region 3: East Azarbaijan, West Azarbaijan, Ardebil, Zanjan, Gilan and Kurdistan; District 4: Kermanshah, Ilam, Lorestan, Hamedan, Central and Khuzestan provinces; District 5: Khorasan Razavi, Southern Khorasan, Northern Khorasan, Kerman, Yazd and Sistan and Baluchestan provinces.