Table 1.
Baseline characteristics. Values are numbers (percentages) unless stated otherwise
| Characteristics | All participants | Participants with systolic blood pressure recorded at 12 months | |||
|---|---|---|---|---|---|
| Intensive target (n=266) | Standard target (n=263) | Intensive target (n=182) | Standard target (n=197) | ||
| Mean (SD) age, years | 71.9 (9.1) | 71.7 (9.4) | 72.6 (8.3) | 71.9 (9.5) | |
| Male sex | 157 (59) | 156 (59) | 104 (57) | 125 (63) | |
| White ethnicity | 260 (98) | 259 (98) | 180 (99) | 194 (98) | |
| Current smoker | 25 (9) | 33 (13) | 15 (8) | 27 (14) | |
| Mean (SD) SBP, mm Hg | 142.9 (14.0) | 142.2 (13.4) | 143.5 (13.5) | 142.2 (12.9) | |
| SBP <140 mm Hg | 128 (48) | 129 (49) | 79 (43) | 98 (50) | |
| SBP ≥140 mm Hg | 138 (52) | 134 (51) | 103 (57) | 99 (50) | |
| Mean (SD) diastolic blood pressure, mm Hg | 79.9 (10.0) | 80.4 (9.8) | 78.8 (9.3) | 80.7 (10.1) | |
| Diabetes mellitus | 26 (10) | 25 (10) | 19 (10) | 21 (11) | |
| Atrial fibrillation | 28 (11) | 27 (10) | 21 (12) | 22 (11) | |
| Coronary heart disease | 41 (15) | 46 (17) | 28 (15) | 35 (18) | |
| Chronic kidney disease | 26 (10) | 30 (11) | 19 (10) | 23 (12) | |
| Heart failure | 2 (1) | 7 (3) | 1 (1) | 6 (3) | |
| Peripheral vascular disease | 11 (4) | 11 (4) | 7 (4) | 6 (3) | |
| Stroke | 130 (49) | 122 (46) | 85 (47) | 95 (48) | |
| Transient ischaemic attack only | 135 (51) | 141 (54) | 97 (53) | 102 (52) | |
| Mean (SD) No of antihypertensive drugs | 1.0 (0.8) | 1.1 (0.8) | 1.1 (0.8) | 1.1 (0.8) | |
| Mean (SD) No of other drugs | 4.5 (2.5) | 4.6 (2.6) | 4.5 (2.5) | 4.6 (2.6) | |
| Mean (SD) total No of drugs | 5.6 (2.8) | 5.7 (2.7) | 5.6 (2.7) | 5.7 (2.7) | |
| Modified Rankin scale*: | |||||
| 0 or 1 | 135 (518) | 125 (48) | 98 (54) | 84 (43) | |
| 2 | 65 (24) | 69 (26) | 42 (23) | 57 (29) | |
| 3 or 4 | 47 (18) | 51 (19) | 29 (16) | 42 (21) | |
SBP=systolic blood pressure.
*Data missing for 19 patients in intensive arm and 18 in standard arm (all participants) and for 13 patients in intensive arm and 14 in standard arm (participants with 12 month systolic blood pressure).