Table 1.
Baseline characteristics of participants by TyG index variability quartiles (SD).
| Total | Q1 | Q2 | Q3 | Q4 | P | |
|---|---|---|---|---|---|---|
| Participants | 48013 | 12003 | 12003 | 12004 | 12003 | |
| Age(years) | 48.78 ± 12.05 | 50.09 ± 12.31 | 49.36 ± 12.09 | 48.85 ± 12.05 | 46.82 ± 11.51 | <.01 |
| Male, N (%) | 36356 (75.72) | 8805(73.36) | 8978(74.80) | 8989 (74.88) | 9584 (79.85) | <.01 |
| BMI (kg/m2) | 24.84 ± 3.12 | 24.76 ± 3.15 | 24.81 ± 3.18 | 24.87 ± 3.15 | 24.92 ± 3.00 | <.01 |
| SBP (mmHg) | 128.55 ± 16.75 | 128.36 ± 16.93 | 128.44 ± 16.91 | 128.66 ± 16.92 | 128.73 ± 16.22 | 0.07 |
| DBP (mmHg) | 83.19 ± 9.18 | 82.82 ± 9.15 | 82.94 ± 9.15 | 83.25 ± 9.25 | 83.77 ± 9.15 | <.01 |
| HDL-C (mmol/L) | 1.54 ± 0.32 | 1.55 ± 0.32 | 1.55 ± 0.32 | 1.54 ± 0.31 | 1.53 ± 0.32 | <.01 |
| LDL-C (mmol/L) | 2.48 ± 0.63 | 2.50 ± 0.63 | 2.50 ± 0.63 | 2.48 ± 0.64 | 2.44 ± 0.63 | <.01 |
| FBG (mmol/L) | 5.24 ± 0.52 | 5.09 ± 0.32 | 5.14 ± 0.60 | 5.35 ± 0.38 | 5.49 ± 0.47 | <.01 |
| TG (mmol/L) | 1.30 (0.96-1.87) | 1.21(0.88-1.58) | 1.27(0.95-1.81) | 1.32 (1.01–1.75) | 1.69 (1.14-2.48) | <0.01 |
| Hs-CRP (mg/L) | 1.42 (0.76-2.83) | 1.37 (0.73-2.70) | 1.40 (0.76-2.71) | 1.43 (0.77-2.92) | 1.46 (0.78-3.06) | <0.01 |
| TyG index2006 | 8.55 ± 0.63 | 8.49 ± 0.50 | 8.52 ± 0.54 | 8.52 ± 0.60 | 8.71 ± 0.77 | <.01 |
| TyG index2008 | 8.57 ± 0.62 | 8.51 ± 0.50 | 8.49 ± 0.53 | 8.56 ± 0.60 | 8.69 ± 0.80 | <.01 |
| TyG index2010 | 8.61 ± 0.61 | 8.50 ± 0.51 | 8.56 ± 0.53 | 8.64 ± 0.59 | 8.90 ± 0.75 | <.01 |
| Smoking, N (%) | 18360 (38.24) | 4296.0 (35.79) | 4423 (36.85) | 4680 (38.99) | 4961 (41.33) | <.01 |
| Drinking, N (%) | 16957 (35.32) | 3948 (32.89) | 4101 (34.17) | 4188 (34.89) | 4720 (39.32) | <.01 |
| Physical activity, N (%) | 6906 (14.38) | 1944 (16.20) | 1817 (15.14) | 1697 (14.14) | 1448 (12.06) | <.01 |
| Hypertension, N (%) | 22072 (45.97) | 5391 (44.91) | 5444 (45.36) | 5563 (46.34) | 5674 (47.27) | <.01 |
| Antihypertensive drugs, N (%) | 6944 (14.46) | 1654 (13.78) | 1715 (14.29) | 1738 (14.48) | 1837 (15.30) | <.01 |
| Lipid-lowering drugs, N (%) | 728 (1.52) | 186 (1.55) | 178 (1.48) | 165 (1.37) | 199 (1.66) | 0.33 |
| High school or above, N (%) | 6217 (12.95) | 1599 (13.32) | 1606 (13.38) | 1583 (13.19) | 1429 (11.91) | <.01 |
P, comparison of baseline characteristics between different TyG index variability groups.
TyG index, triglyceride-glucose index; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; TG, triglyceride; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; FBG, fasting blood glucose; hs-CRP, high-sensitivity C reactive protein.