Table 1 Baseline characteristics and incidence of CVDs according to the baseline TyG index quartiles
Characteristics | Total | Q1(5.7–7.9) | Q2(7.9–8.4) | Q3(8.4–8.7) | Q4(8.7–14.6) | P value |
|---|---|---|---|---|---|---|
N | 20,185 | 5106 | 5626 | 4666 | 4787 |  < 0.001 |
TyG indexa | 8.4 ± 0.6 | 7.7 ± 0.3 | 8.2 ± 0.1 | 8.6 ± 0.1 | 9.2 ± 0.4 |  < 0.001 |
Age,yearsa | 76.9 ± 6.3 | 77.4 ± 6.2 | 77.2 ± 6.3 | 76.7 ± 6.3 | 76.0 ± 6.2 |  < 0.001 |
Male, n(%) | 8411 (41.7) | 2807 (55.0) | 2315 (41.1) | 1752 (37.5) | 1537 (32.1) |  < 0.001 |
BMI, kg/m2a | 24.7 ± 4.2 | 23.2 ± 3.3 | 24.6 ± 3.4 | 25.3 ± 3.4 | 26.0 ± 5.9 |  < 0.001 |
Current smoking, n(%) | 13,916 (68.9) | 3824 (74.9) | 4158 (73.9) | 3141 (67.3) | 2793 (58.3) |  < 0.001 |
Current drinking, n(%) | 16,768 (83.1) | 4956 (97.1) | 4931 (87.6) | 3671 (78.7) | 3210 (67.1) |  < 0.001 |
Education, n(%) |  |  |  |  |  |  < 0.001 |
< High school | 18,931 (93.8) | 4942 (96.8) | 5305 (94.3) | 4318 (92.5) | 4366 (91.2) |  |
High school | 878 (4.3) | 82 (1.6) | 193 (3.4) | 245 (5.3) | 358 (7.5) | Â |
> High school | 376 (1.9) | 82 (1.6) | 128 (2.3) | 103 (2.2) | 63 (1.3) |  |
Salt craving, n(%) | 876 (4.3) | 299 (5.9) | 242 (4.3) | 191 (4.1) | 144 (3.0) |  < 0.001 |
Oil craving, n(%) | 138 (0.7) | 45 (0.9) | 24 (0.4) | 31 (0.7) | 38 (0.8) | 0.026 |
SBP, mmHga | 117.2 ± 29.0 | 115.0 ± 18.5 | 116.4 ± 25.0 | 117.5 ± 31.5 | 120.4 ± 38.3 |  < 0.001 |
DBP, mmHga | 76.0 ± 15.7 | 76.6 ± 9.1 | 76.1 ± 13.3 | 75.7 ± 17.5 | 75.3 ± 21.2 |  < 0.001 |
TC, mmol/Lb | 5.2 (4.5, 5.9) | 4.7 (4.1, 5.4) | 5.1 (4.5, 5.8) | 5.3 (4.7, 6.0) | 5.5 (4.9, 6.3) |  < 0.001 |
LDL-C, mmol/Lb | 2.6 (2.1, 3.1) | 2.3 (1.8, 2.9) | 2.6 (2.1, 3.1) | 2.7 (2.2, 3.2) | 2.8 (2.4, 3.3) |  < 0.001 |
HDL-C, mmol/Lb | 1.5 (1.2, 1.7) | 1.5 (1.3, 1.7) | 1.5 (1.3, 1.7) | 1.5 (1.3, 1.7) | 1.5 (1.2, 1.7) |  < 0.001 |
FBG, mmol/La | 4.4 ± 1.3 | 3.9 ± 0.4 | 4.1 ± 0.5 | 4.4 ± 0.9 | 5.3 ± 2.3 |  < 0.001 |
TG, mmol/Lb | 1.2 (0.9, 1.7) | 0.7 (0.6, 0.9) | 1.2 (1.0, 1.3) | 1.6 (1.3, 1.8) | 2.3 (1.8, 3.0) |  < 0.001 |
Hypertension,n(%) | 5,521 (27.4) | 1,040 (20.4) | 1,327 (23.6) | 1,335 (28.6) | 1,819 (38.0) |  < 0.001 |
Diabetes, n(%) | 771 (3.8) | 10 (0.2) | 39 (0.7) | 84 (1.8) | 638 (13.3) |  < 0.001 |
Dyslipidemia, n(%) | 5,999 (29.7) | 683 (13.4) | 977 (17.4) | 1171 (25.1) | 3168 (66.2) |  < 0.001 |
CVDs, n(%) | 11,099 (55.0) | 2567 (50.3) | 3176 (56.5) | 2611 (56.0) | 2745 (57.3) |  < 0.001 |
RHD, n(%) | 60 (0.3) | 20 (0.4) | 13 (0.2) | 12 (0.3) | 15 (0.3) | 0.447 |
CHD, n(%) | 4170 (20.7) | 840 (16.5) | 1200 (21.3) | 1041 (22.3) | 1089 (22.7) |  < 0.001 |
CVD, n(%) | 5598 (27.7) | 1304 (25.5) | 1613 (28.7) | 1302 (27.9) | 1379 (28.8) |  < 0.001 |
PAD, n(%) | 984 (4.9) | 285 (5.6) | 267 (4.7) | 212 (4.5) | 220 (4.6) | 0.055 |
VTE, n(%) | 287 (1.4) | 118 (2.3) | 83 (1.5) | 44 (0.9) | 42 (0.9) |  < 0.001 |