Table 1.
Baseline characteristics according to TyG index quartiles.
| Total patients | TyG index | |||||
|---|---|---|---|---|---|---|
| Q1 (n = 4078) | Q2 (n = 4077) | Q3 (n = 4078) | Q4 (n = 4077) | P-value | ||
| Sex (male) (%) | 10,353 (63.5) | 2,810 (68.9) | 2,632 (64.6) | 2,544 (62.4) | 2,367 (58.1) | <0.0001 |
| Age (years) | 64.8 ± 11.9 | 67.5 ± 12.2 | 65.4 ± 11.8 | 64.0 ± 11.8 | 62.5 ± 11.3 | <0.0001 |
| NIHSS | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 0.13 |
| IV thrombolysis (%) | 890 (5.6) | 218 (5.5) | 229 (5.8) | 215 (5.4) | 228 (5.7) | 0.88 |
| SBP (mmHg) | 149.2 ± 23.0 | 147.8 ± 23.6 | 148.8 ± 22.3 | 149.3 ± 22.3 | 151.0 ± 23.1 | <0.0001 |
| DBP (mmHg) | 87.44 ± 13.4 | 85.9 ± 13.6 | 87.4 ± 13.4 | 88.0 ± 13.3 | 88.6 ± 13.2 | <0.0001 |
| Previous or current smoker (%) | 7246 (44.4) | 1921 (47.1) | 1824 (44.7) | 1780 (43.7) | 1721 (42.2) | <0.0001 |
| Medical History | ||||||
| History of hypertension (%) | 10593 (65.0) | 2330 (57.1) | 2633 (64.6) | 2773 (68.0) | 2857 (70.1) | <0.0001 |
| History of AF (%) | 1143 (7.0) | 383 (9.4) | 274 (6.7) | 263 (6.5) | 223 (5.5) | <0.0001 |
| History of MI (%) | 289 (2.4) | 90 (2.2) | 104 (2.6) | 102 (2.5) | 93 (2.9) | 0.69 |
| History of DM (%) | 3408 (20.9) | 277 (6.8) | 501 (12.3) | 855 (21.0) | 1775 (43.5) | <0.0001 |
| History of previous stroke (%) | 5367 (32.9) | 1386 (34.0) | 1354 (33.2) | 1372 (33.6) | 1255 (30.8) | 0.0086 |
| Pre-Hospital Mediation History | ||||||
| Antiplatelet drugs (%) | 3191 (19.6) | 786 (19.3) | 822 (20.2) | 769 (18.9) | 814 (20.0) | 0.41 |
| Anticoagulation drugs (%) | 168 (1.0) | 50 (1.2) | 49 (1.2) | 36 (0.9) | 33 (0.8) | 0.14 |
| Antihypertensive drugs (%) | 7324 (44.9) | 1564 (38.4) | 1821 (44.7) | 1924 (47.2) | 2015 (49.4) | <0.0001 |
| Lipid-lowing drugs (%) | 1103 (6.8) | 263 (6.5) | 273 (6.7) | 278 (6.8) | 289 (7.1) | 0.71 |
| Hypoglycemic drugs (%) | 2604 (16.0) | 217 (5.3) | 373 (9.2) | 661 (16.2) | 1353 (33.2) | <0.0001 |
| Glucose Metabolism | ||||||
| BMI (kg/m2) | 24.2 ± 3.6 | 23.2 ± 3.5 | 24.0 ± 3.4 | 24.6 ± 3.4 | 24.9 ± 3.8 | <0.0001 |
| TG (mg/dL) | 119.5 (85.9−174.4) | 70.0 (58.4−82.3) | 106.3 (92.9−120.4) | 147.9 (124.0−172.7) | 228.5 (177.1−301.9) | <0.0001 |
| FBG (mg/dL) | 114.1 ± 46.9 | 89.8 ± 16.3 | 98,7 ± 20.7 | 111.7 ± 31.1 | 156.2 ± 67.4 | <0.0001 |
Data are the mean ± standard deviation, number (percentage), or median (interquartile range); TyG index, triglyceride glucose index; NIHSS, National Institutes of Health Stroke Scale; IV, intravenous; SBP, systolic blood pressure; DBP, diastolic blood pressure; AF, atrial fibrillation; MI, myocardial infarction; DM, diabetes mellitus; BMI, body mass index; TG, Triglyceride; FBG, Fasting blood glucose; Q1–Q4, TyG index quartiles; Statistically significant P values are shown in bold.