Table 1 Baseline Characteristics According to TyG index level
Characteristic | TyG index level | P-value | |||
|---|---|---|---|---|---|
Overall | T1 (≤ 8.51) | T2 (> 8.51, ≤ 8.98) | T3 (> 8.98) | ||
N = 922 | N = 307 | N = 306 | N = 309 | ||
Demographic characteristics | |||||
 Male | 734 (79.6) | 261 (84.5) | 240 (78.4) | 233 (75.9) | 0.025 |
 Age, years | 64.1 (11.0) | 64.3 (11.4) | 65.4 (11.0) | 62.6 (10.5) | 0.006 |
 BMI, kg/m2 | 23.8 (3.4) | 23.5 (3.4) | 23.5 (3.3) | 24.2 (3.6) | 0.021 |
 Heart rate, bmp | 82.1 (17.4) | 81.0 (16.6) | 81.3 (18.6) | 84.0 (16.7) | 0.059 |
 SBP, mmHg | 128.1 (22.8) | 126.9 (22.6) | 128.7 (22.1) | 128.6 (23.7) | 0.566 |
 DBP, mmHg | 75.6 (12.9) | 75.5 (13.4) | 75.5 (12.2) | 75.7 (13.2) | 0.96 |
 History of smoke | 0.025 | ||||
  Never | 567 (61.5) | 185 (59.9) | 180 (58.8) | 202 (65.8) |  |
  Cessation | 139 (15.1) | 59 (19.1) | 49 (16.0) | 31 (10.1) |  |
  Current | 216 (23.4) | 65 (21.0) | 77 (25.2) | 74 (24.1) |  |
Medical history | |||||
 Anemia | 404 (43.8) | 145 (46.9) | 134 (43.8) | 125 (40.7) | 0.299 |
 CHF | 416 (45.1) | 131 (42.4) | 139 (45.4) | 146 (47.6) | 0.433 |
 DM | 404 (43.8) | 145 (46.9) | 134 (43.8) | 125 (40.7) |  < 0.001 |
 CKD | 341 (37.0) | 100 (32.4) | 112 (36.6) | 129 (42.0) | 0.045 |
 Hypertension | 552 (59.9) | 183 (59.2) | 183 (59.8) | 186 (60.6) | 0.942 |
 Hyperlipidemia | 690 (74.8) | 226 (73.1) | 233 (76.1) | 231 (75.2) | 0.678 |
 AF | 105 (11.4) | 52 (16.8) | 26 (8.5) | 27 (8.8) | 0.001 |
 COPD | 29 (3.1) | 10 (3.2) | 11 (3.6) | 8 (2.6) | 0.777 |
 Stroke | 39 (4.2) | 15 (4.9) | 12 (3.9) | 12 (3.9) | 0.8 |
 History of PCI | 119 (12.9) | 40 (12.9) | 38 (12.4) | 41 (13.4) | 0.942 |
 History of AMI | 99 (10.7) | 29 (9.4) | 31 (10.1) | 39 (12.7) | 0.378 |
 Clinical presentation | |||||
  AMI | 343 (37.2) | 101 (32.7) | 116 (37.9) | 126 (41.0) | 0.095 |
  STEMI | 227 (24.6) | 72 (23.3) | 75 (24.5) | 80 (26.1) | 0.728 |
  NSTEMI | 116 (12.6) | 29 (9.4) | 41 (13.4) | 46 (15.0) | 0.097 |
Laboratory test | |||||
 LDL-C, mmol/L | 2.88 (1.10) | 2.77 (1.05) | 2.95 (1.19) | 2.91 (1.06) | 0.117 |
 HDL-C, mmol/L | 0.97 (0.27) | 0.98 (0.28) | 0.97 (0.27) | 0.96 (0.28) | 0.75 |
 eGFR, mL/min/1.73m2 | 69.6 (26.0) | 73.5 (27.4) | 68.6 (23.9) | 66.8 (26.1) | 0.004 |
 ALB, g/L | 35.0 (4.6) | 34.5 (4.1) | 35.3 (5.1) | 35.1 (4.5) | 0.088 |
 NT-proBNP, ng/L | 2092 [903, 4826] | 2414 [1169, 5311] | 1864 [860, 4606] | 1739 [749, 4816] | 0.04 |
 hs-cTnT, ng/L | 0.71 [0.22, 7.33] | 0.64 [0.22, 4.20] | 0.62 [0.22, 6.33] | 1.13 [0.23, 9.89] | 0.169 |
 LVEF, % | 43.8 (13.7) | 42.8 (13.6) | 45.5 (13.9) | 43.2 (13.4) | 0.029 |
 LVEDD, mm | 43.3 (10.7) | 44.1 (10.8) | 42.5 (10.6) | 43.3 (10.5) | 0.165 |
 LVESD, mm | 56.6 (8.5) | 57.3 (8.7) | 56.1 (8.5) | 56.5 (8.4) | 0.22 |
 Left atrial, mm | 41.2 (6.3) | 41.7 (6.3) | 41.0 (6.7) | 41.1 (6.0) | 0.309 |
Procedural characteristics | |||||
 Radial artery access | 754 (81.8) | 256 (82.8) | 247 (80.7) | 251 (81.8) | 0.791 |
 Multivessel disease | 789 (85.6) | 263 (85.1) | 261 (85.3) | 265 (86.3) | 0.9 |
 Culprit vessel in STEMIs | 0.945 | ||||
  Left main coronary artery | 7 (2.8) | 1 (1.4) | 3 (3.6) | 3 (3.4) |  |
  LAD | 115 (46.6) | 37 (50.0) | 39 (46.4) | 39 (43.8) |  |
  LCX | 41 (16.6) | 11 (14.9) | 13 (15.5) | 17 (19.1) |  |
  RCA | 84 (34.0) | 25 (33.8) | 29 (34.5) | 30 (33.7) |  |
 Number of vessels treated | 1.45 (0.68) | 1.41 (0.67) | 1.49 (0.68) | 1.44 (0.69) | 0.346 |
 Number of lesions treated | 1.67 (0.89) | 1.63 (0.89) | 1.70 (0.86) | 1.68 (0.94) | 0.62 |
 Number of stents | 1.91 (1.18) | 1.92 (1.16) | 1.92 (1.24) | 1.90 (1.15) | 0.96 |
 Minimum stent diameter, mm | 2.69 (0.75) | 2.70 (0.77) | 2.64 (0.80) | 2.72 (0.69) | 0.413 |
 Lesion length, mm | 52.3 (36.3) | 52.5 (36.0) | 52.5 (38.4) | 52.0 (34.7) | 0.977 |
Discharge prescription | |||||
 RAAS inhibitor | 618 (67.0) | 220 (71.2) | 191 (62.4) | 207 (67.4) | 0.067 |
 Beta-blockers | 781 (84.7) | 265 (85.8) | 254 (83.0) | 262 (85.3) | 0.594 |
 CCB | 144 (15.6) | 40 (12.9) | 47 (15.4) | 57 (18.6) | 0.156 |
 Statin | 856 (92.8) | 287 (92.9) | 286 (93.5) | 283 (92.2) | 0.827 |
 Aspirin | 870 (94.4) | 293 (94.8) | 285 (93.1) | 292 (95.1) | 0.519 |
 Clopidogrel | 807 (87.5) | 276 (89.3) | 267 (87.3) | 264 (86.0) | 0.451 |
 Loop diuretic | 461 (50.0) | 154 (49.8) | 149 (48.7) | 158 (51.5) | 0.788 |
 MRA | 467 (50.7) | 160 (51.8) | 149 (48.7) | 158 (51.5) | 0.702 |
 Hypoglycemic drugs | 199 (21.9) | 40 (13.0) | 67 (22.3) | 92 (30.7) |  < 0.001 |
 Insulin | 40 (4.3) | 10 (3.2) | 10 (3.3) | 20 (6.5) | 0.072 |