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Graphical representation of observed blood pressure (BP) differences using Bland‐Altman method plotting differences in BP of site personnel and trained observer against the average BP. For systolic BP (SBP), there was agreement within ±10 mm Hg in 70 observations (59%) between site personnel and the trained observer. For diastolic BP (DBP), there was agreement in 72 (46%) of observations that fell within ±5 mm Hg.
