Mean systolic BP (mm Hg) | Mean diastolic BP (mm Hg) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Study ID | Region | Altitude (m) | Sample size | Mean age (years) | MS | ES | Mean difference | Strength of agreement | MS | ES | Mean difference | Strength of agreement |
Li et al25 | Tibetan Autonomous | 4300 | 129 | 38.3±11.9 | 118.9±20.6 | 124.7±20.4 | −5.8±4.7 | Strong linear agreement after calibration, p<0.001 | 77.0±13.9 | 76.5±12.6 | 0.4±3.9 | Strong linear agreement after calibration, p<0.001 |
Cho et al26 | Tibetan Autonomous | 3650 | 33 | 55.2±14.7 | Not reported | 142.2±27.7 | 1.0±5.9 | Not reported | Not reported | 87.9±16.6 | −3.1±4.6 | Not reported |
*SDs have been used as measures of dispersion where mean values are reported.
BP, blood pressure; ES, electronic (automated) sphygmomanometer; MS, mercury sphygmomanometer.