Table 2 Demographic and baseline characteristics of the overall cohort stratified by mean heart rate
| Â | Mean HR categories | Â | Â | Â | Â |
|---|---|---|---|---|---|
|  |  < 70 bpm |  ≥ 70 and < 80 bpm |  ≥ 80 and < 90 bpm |  ≥ 90 bpm |  |
Parameter | (N = 570) | (N = 404) | (N = 262) | (N = 184) | P value |
Age (years) | 68.7 (13.5) | 69.3 (14.8) | 70.6 (15.8) | 73.4 (12.9) | 0.001 |
Men | 347 (60.9) | 235 (58.2) | 135 (51.5) | 96 (52.2) | 0.034 |
Hypertension | 424 (74.4) | 314 (77.7) | 208 (79.4) | 130 (70.7) | 0.115 |
Diabetes mellitus | 228 (40.0) | 177 (43.8) | 128 (48.9) | 83 (45.1) | 0.107 |
Dyslipidemia | 384 (67.4) | 263 (65.1) | 166 (63.4) | 90 (48.9) |  < 0.001 |
Atrial fibrillation | 65 (11.4) | 63 (15.6) | 68 (26.0) | 91 (49.5) |  < 0.001 |
Coronary artery disease | 33 (5.8) | 28 (6.9) | 18 (6.9) | 15 (8.2) | 0.700 |
Congestive heart failure | 14 (2.5) | 21 (5.2) | 11 (4.2) | 12 (6.5) | 0.047 |
Body mass index (kg/m2) | 24.8 (3.7) | 24.4 (4.2) | 24.9 (4.3) | 23.7 (4.5) | 0.008 |
Current smoker | 178 (31.2) | 87 (21.5) | 45 (17.2) | 31 (16.8) |  < 0.001 |
Total cholesterol (mmol/L) | 4.60 (1.06) | 4.58 (1.10) | 4.52 (1.16) | 4.22 (1.30) | 0.002 |
Triglyceride (mmol/L) | 1.37 (0.96) | 1.42 (1.13) | 1.40 (0.94) | 1.27 (1.00) | 0.422 |
eGFR (mL/min per 1.73 m2) | 65.5 (28.0) | 63.5 (27.8) | 60.8 (30.4) | 54.6 (31.7) |  < 0.001 |
Thrombolytic therapy | 48 (8.4) | 38 (9.4) | 25 (9.5) | 36 (19.6) |  < 0.001 |
Mean SBP (mmHg) | 154.4 (21.3) | 151.6 (20.5) | 151.9 (22.6) | 145.1 (19.2) |  < 0.001 |
Mean DBP (mmHg) | 85.2 (11.5) | 86.3 (11.5) | 87.1 (13.3) | 84.7 (13.8) | 0.093 |
NIHSS score on admission | 2 (1–4) | 4 (1–7) | 4 (2–9) | 12 (5–21) |  < 0.001 |