Table 2. Incidence of falls outcomes at follow-up by OH categories (OH40 and sustained OH) and presence or absence of hypertension measured in both supine and seated positions.
Recurrent falls | Injurious falls | Unexplained falls | Syncope | |
---|---|---|---|---|
N | 1498 | 1500 | 1500 | 1494 |
Total | 307 (20.5) | 305 (20.3) | 184 (12.3) | 149 (10.0) |
OH40 | ||||
OH40 -ve (79.1%) | 224 (18.9) | 216 (18.2) | 128 (10.8) | 110 (9.3) |
OH40 +ve (20.9%) | 83 (26.5) | 89 (28.3) | 56 (17.8) | 39 (12.5) |
Sustained OH | ||||
OHsus -ve (91.8%) | 276 (20.1) | 264 (19.2) | 161 (11.7) | 131 (9.6) |
OHsus +ve (8.2%) | 31 (25.2) | 41 (33.3) | 23 (18.7) | 18 (14.6) |
Using supine blood pressure (n = 1500) | ||||
Normotensive (n = 757) | 158 (20.9) | 151 (20.0) | 92 (12.2) | 74 (9.8) |
Hypertensive (n = 743) | 149 (20.1) | 154 (20.7) | 92 (12.4) | 75 (10.1) |
OH40 | ||||
OH40 & HTN- (17.6%) | 35 (26.3) | 34 (25.6) | 25 (18.8) | 20 (15.2) |
OH40 & HTN+ (24.4%) | 48 (26.7) | 55 (30.4) | 31 (17.1) | 19 (10.6) |
Sustained OH | ||||
OHsus & HTN- (5.9%) | 14 (31.1) | 17 (37.8) | 9 (20.0) | 8 (17.8) |
OHsus & HTN+ (10.5%) | 17 (21.8) | 24 (30.8) | 14 (18.0) | 10 (12.8) |
Using seated blood pressure (n = 1491) | ||||
Normotensive (n = 764) | 154 (20.2) | 161 (21.1) | 93 (12.2) | 75 (9.9) |
Hypertensive (n = 727) | 152 (21.0) | 144 (19.8) | 90 (12.4) | 73 (10.1) |
OH40 | ||||
OH40 & HTN- (19.0%) | 32 (22.1) | 33 (22.8) | 20 (13.8) | 19 (13.2) |
OH40 & HTN+ (23.0%) | 51 (30.7) | 56 (33.5) | 36 (21.6) | 20 (12.1) |
Sustained OH | ||||
OHsus & HTN- (7.3%) | 12 (21.4) | 16 (28.6) | 7 (12.5) | 8 (14.3) |
OHsus & HTN+ (9.2%) | 19 (28.4) | 25 (37.3) | 16 (23.9) | 10 (14.9) |
ACE, angiotensin-converting enzyme; HTN-, not classified as having hypertension; HTN+, classified as having hypertension; OH40, orthostatic hypotension at 40 seconds. Note that recurrent falls data were available for 1498 participants, injurious and unexplained falls data for 1500 participants and syncope data for 1494 participants.