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. 2018 Jun 27;361:k2478. doi: 10.1136/bmj.k2478

Table 2.

Classification of patients and utilisation of ABPM using the triaging approach. Values are number of participants; percentage (95% confidence interval) unless stated otherwise

Population No (%) of total population True positive (sustained hypertensive) True negative (normotensive) False positive (white coat hypertensive) False negative (masked hypertensive) Correctly classified Utilisation of ABPM
Overall 887 (100) 584; 66 (63 to 69) 217; 24 (22 to 27) 69; 8 (6 to 10) 17; 2 (1 to 3) 801; 90 (88 to 92) 435; 49 (46 to 52)
For diagnosis* 268 (30) 156; 58 (52 to 64) 88; 33 (27 to 39) 16; 6 (3 to 10) 8; 3 (1 to 6) 244; 91 (87 to 94) 165; 62 (55 to 67)
For management† 619 (70) 428; 69 (65 to 73) 129; 21 (18 to 24) 53; 9 (6 to 11) 9; 1 (0.7 to 3) 557; 90 (87 to 92) 270; 44 (40 to 48)

ABPM=ambulatory blood pressure monitoring.

*

Patients without a history of hypertension.

†

Patients with a history of hypertension.