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.