Table 2.

Performance of office BP and ambulatory BP for the diagnosis of hypertension as determined using 24-hour BP monitoring using standard BP thresholds

BP Classification and ModalitySensitivitySpecificityNegative Predictive ValuePositive Predictive Value
JNC-7
 Office BP0.45 (0.38 to 0.58)0.92 (0.92 to 0.96)0.88 (0.89 to 0.93)0.60 (0.48 to 0.72)
 Automated BP0.48 (0.38 to 0.58)0.91 (0.88 to 0.93)0.90 (0.88 to 0.93)0.48 (0.38 to 0.59)
 Office or automated BP0.79 (0.69 to 0.86)0.67 (0.63 to 0.71)0.95 (0.92 to 0.96)0.31 (0.25 to 0.37)
ACC/AHA
 Office BP0.29 (0.23 to 0.35)0.96 (0.94 to 0.98)0.72 (0.68 to 0.76)0.81 (0.71 to 0.91)
 Automated BP0.16 (0.1 to 0.22)0.98 (0.96 to 1)0.69 (0.65 to 0.73)0.84 (0.72 to 0.96)
 Office or automated BP0.32 (0.26 to 0.38)0.96 (0.94 to 0.98)0.73 (0.69 to 0.77)0.81 (0.73 to 0.89)
  • Office or automated BP is defined by either office or automated BP measurements exceeding the cutoff for normotension by the BP classification. 95% confidence intervals are shown in parentheses. JNC-7, Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure; ACC/AHA, American College of Cardiology/American Heart Association.