Table 1.
Baseline Characteristics of the Study Population by SBP Category.
| <115 mmHg n = 64 | 115–124 mmHg n = 248 | 125–134 mmHg n = 700 | 135–144 mmHg n = 839 | 145–154 mmHg n = 419 | 155–164 mmHg n = 87 | ≥165 mmHg n = 40 | P value | |
|---|---|---|---|---|---|---|---|---|
| Age | <0.0001 | |||||||
| <65 | 54 (84.4) | 173 (69.8) | 437 (62.4) | 489 (58.3) | 225 (53.7) | 50 (57.5) | 23 (57.5) | |
| ≥65 | 10 (15.6) | 75 (30.2) | 263 (37.6) | 350 (41.7) | 194 (46.3) | 37 (42.5) | 17 (42.5) | |
| Female | 21 (32.8) | 74 (29.8) | 215 (30.7) | 280 (33.4) | 142 (33.9) | 30 (34.5) | 15 (37.5) | 0.7975 |
| Current or previous smoker | 31 (48.4) | 101 (40.7) | 306 (43.7) | 367 (43.7) | 169 (40.3) | 37 (42.5) | 17 (42.5) | 0.8723 |
| Current or previous drinking | 24 (37.5) | 78 (31.5) | 233 (33.3) | 262 (31.2) | 116 (27.7) | 26 (29.9) | 9 (22.5) | 0.6435 |
| Body mass index, mean ± SD | 24.1 ± 2.8 | 24.5 ± 3.6 | 24.7 ± 3.2 | 25.1 ± 3.6 | 25.1 ± 3.2 | 24.6 ± 2.9 | 24.8 ± 3.1 | 0.0309 |
| History of stroke | 18 (28.1) | 46 (18.5) | 134 (19.1) | 192 (22.9) | 127 (30.3) | 29 (33.3) | 14 (35.0) | <0.0001 |
| History of TIA | 1 (1.6) | 5 (2.0) | 30 (4.3) | 31 (3.7) | 22 (5.3) | 2 (2.3) | 1 (2.5) | 0.0108 |
| History of HTN | 33 (51.6) | 119 (48.0) | 454 (64.9) | 639 (76.2) | 340 (81.1) | 73 (83.9) | 31 (77.5) | <0.0001 |
| History of DM | 10 (15.6) | 37 (14.9) | 136 (19.4) | 188 (22.4) | 101 (24.1) | 27 (31.0) | 13 (32.5) | 0.0035 |
| NIHSS score at admission | 0.1466 | |||||||
| ≤4 | 51 (79.7) | 199 (80.2) | 539 (77.0) | 634 (75.6) | 313 (74.7) | 66 (75.9) | 27 (67.5) | |
| 5–15 | 9 (14.1) | 47 (19.0) | 142 (20.3) | 184 (21.9) | 97 (23.2) | 18 (20.7) | 12 (30.0) | |
| DM with discharge diagnosis | 13 (20.3) | 55 (22.2) | 174 (24.9) | 248 (29.6) | 127 (30.3) | 31 (35.6) | 14 (35.0) | 0.0202 |
| HTN with discharge diagnosis | 41 (64.1) | 145 (58.5) | 575 (82.1) | 786 (93.7) | 393 (93.8) | 83 (95.4) | 39 (97.5) | <0.0001 |
| Dyslipidemia with discharge diagnosis | 28 (43.8) | 92 (37.1) | 306 (43.7) | 326 (38.9) | 183 (43.7) | 33 (37.9) | 20 (50.0) | 0.1959 |
| CHD with discharge diagnosis | 2 (3.1) | 23 (9.3) | 92 (13.1) | 125 (14.9) | 44 (10.5) | 16 (18.4) | 5 (12.5) | 0.0142 |
| AF with discharge diagnosis | 4 (6.3) | 11 (4.4) | 33 (4.7) | 34 (4.1) | 10 (2.4) | 2 (2.3) | 0 (0.0) | 0.3072 |
| Secondary prevention | ||||||||
| antiplatelet | 60 (93.8) | 225 (90.7) | 660 (94.3) | 788 (93.9) | 394 (94.0) | 79 (90.8) | 39 (97.5) | 0.4276 |
| anti-hypertension | 26 (40.6) | 102 (41.1) | 424 (60.6) | 618 (73.7) | 331 (79.0) | 70 (80.5) | 30 (75.0) | <0.0001 |
| lowering-lipid | 51 (79.7) | 206 (83.1) | 607 (86.7) | 708 (84.4) | 348 (83.1) | 69 (79.3) | 34 (85.0) | 0.4221 |
| Antidiabetic | 8 (12.5) | 44 (17.7) | 130 (18.6) | 178 (21.2) | 96 (22.9) | 24 (27.6) | 10 (25.0) | 0.1075 |
DM indicates Diabetes mellitus; HTN, hypertension; CHD, Coronary Heart Disease; AF, Atrial fibrillation.