Table 2

Main results of studies examining the accuracy of automated BP-measuring devices in Tibet*

Mean systolic BP (mm Hg)Mean diastolic BP (mm Hg)
Study IDRegionAltitude (m)Sample sizeMean age (years)MSESMean differenceStrength of agreementMSESMean differenceStrength of agreement
Li et al25Tibetan Autonomous430012938.3±11.9118.9±20.6124.7±20.4−5.8±4.7Strong linear agreement after calibration, p<0.00177.0±13.976.5±12.60.4±3.9Strong linear agreement after calibration, p<0.001
Cho et al26Tibetan Autonomous36503355.2±14.7Not reported142.2±27.71.0±5.9Not reportedNot reported87.9±16.6−3.1±4.6Not reported
  • *SDs have been used as measures of dispersion where mean values are reported.

  • BP, blood pressure; ES, electronic (automated) sphygmomanometer; MS, mercury sphygmomanometer.