Table 3.
Impact of ABPM on Blood Pressure Classification
| Hypertensive by Study BP and ABPM, n/N (%) | Normotensive by Study BP and ABPM, n/N (%) | White‐Coat Hypertension (Study Hypertension and ABPM Normotension), n/N (%) | Masked Hypertension (Study Normotension and ABPM Hypertension), n/N (%) | |
|---|---|---|---|---|
| Daytime threshold | ||||
| All | 273/931 (29) | 400/931 (43) | 133/931 (14.5) | 125/931 (13.5) |
| Treated | 108/329 (33) | 106/329 (32) | 70/329 (21) | 45/329 (14) |
| Untreated | 156/577 (27) | 286/577 (49) | 61/577 (11) | 74/577 (13) |
| 24‐h threshold | ||||
| All | 181/931 (19) | 469/931 (50) | 225/931 (24) | 56/931 (6) |
| Treated | 81/329 (25) | 128/329 (39) | 97/329 (29) | 23/329 (7) |
| Untreated | 93/577 (16) | 332/577 (58) | 124/577 (21) | 28/577 (5) |
| Nighttime threshold | ||||
| All | 194/931 (21) | 444/931 (48) | 212/931 (23) | 81/931 (9) |
| Treated | 91/329 (28) | 118/329 (36) | 87/329 (26) | 33/329 (10) |
| Untreated | 97/577 (17) | 316/577 (55) | 120/577 (21) | 44/577 (8) |
| Combined day and night thresholds | ||||
| All | 300/931 (32) | 383/931 (41) | 106/931 (11) | 142/931 (15) |
| Treated | 126/329 (38) | 99/329 (30) | 52/329 (16) | 52/329 (16) |
| Untreated | 164/577 (28) | 279/577 (48) | 53/577 (9) | 81/577 (14) |
The total sample was N=931 and n=577 were treated and n=329 untreated. Information on antihypertensive medication was missing for 25 patients.