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.