Table 3.
General clinical characteristics according to quartiles of GGT at baseline.
| Q1 (<11 U/L) | Q2 (11–16 U/L) | Q3 (16–25 U/L) | Q4 (>25 U/L) | p | |
|---|---|---|---|---|---|
| Gender, male n (%)a | 25 (49.02) | 92 (75.41) | 209 (89.32) | 436 (96.25) | <.001 |
| Age, yearsb | 44.59 ± 5.19 | 44.32 ± 4.39 | 43.98 ± 4.78 | 43.69 ± 4.56 | .118 |
| BMI (kg/m2)b | 24.67 ± 2.63 | 26.06 ± 3.22 | 27.07 ± 3.54 | 27.68 ± 3.55 | <.001 |
| Hypertension, n (%)a | 11 (7.28) | 23 (18.85) | 49 (20.94) | 106 (23.40) | .711 |
| Diabetes, n (%)a | 4 (7.84) | 14 (11.48) | 29 (12.39) | 74 (16.34) | .189 |
| Smoking, n (%)a | 7 (13.73) | 41 (33.61) | 100 (42.74) | 256 (56.51) | <.001 |
| Drinking, n (%)a | 6 (11.76) | 25 (20.49) | 43 (17.70) | 189 (41.72) | <.001 |
| FBG, mmol/Lb | 5.52 ± 2.42 | 5.57 ± 1.94 | 5.63 ± 2.06 | 5.88 ± 1.90 | .001 |
| TG, mmol/Lb | 1.39 ± 1.35 | 1.43 ± 1.05 | 1.88 ± 1.99 | 2.86 ± 3.35 | <.001 |
| TC, mmol/Lb | 3.64 ± 1.81 | 3.75 ± 1.41 | 4.09 ± 1.74 | 4.40 ± 1.63 | <.001 |
| HDL-C, mmol/Lb | 1.24 ± 0.28 | 1.15 ± 0.28 | 1.09 ± 0.26 | 1.06 ± 0.27 | <.001 |
| LDL-C, mmol/Lb | 2.38 ± 1.17 | 2.36 ± 1.81 | 2.66 ± 1.11 | 2.82 ± 1.02 | <.001 |
| SCr, μmol/Lb | 78.00 ± 28.65 | 84.73 ± 21.86 | 87.16 ± 33.82 | 83.85 ± 19.44 | .174 |
| ALT, U/Lb | 15.47 ± 8.93 | 20.23 ± 9.64 | 24.28 ± 9.65 | 29.37 ± 6.50 | <.001 |
| Chronic CAD, n (%) | 5 (9.80) | 6 (4.92) | 19 (8.12) | 27 (5.96) | .462 |
| UA, n (%) | 27 (52.94) | 69 (56.56) | 120 (51.28) | 233 (51.43) | .774 |
| MI, n (%) | 19 (37.25) | 47 (38.52) | 95 (40.59) | 193 (42.60) | .778 |
| Single-diseased vessels, n (%) | 13 (25.49) | 42 (38.52) | 67 (28.63) | 125 (27.59) | .48 |
| Double-diseased vessels, n (%) | 7 (13.73) | 23 (18.85) | 60 (25.64) | 120 (26.79) | .092 |
| Triple-diseased vessels, n (%) | 8 (15.69) | 19 (15.57) | 47 (20.09) | 113 (24.94) | .073 |
| Gensini scores | 31.51 ± 34.67 | 39.25 ± 45.19 | 44.88 ± 45.51 | 43.14 ± 39.96 | .046 |
CAD: coronary artery disease; UA: unstable angina; MI: myocardial infarction; BMI: body mass index; FBG: fasting blood glucose; TG: triglyceride; TC: total cholesterol; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; SCr: serum creatinine; ALT: alanine aminotransferase.
a
Categorical variables are expressed as percentages. p Values of the categorical variables were calculated by χ2 test.
b
Continuous variables are expressed as the mean ± SD. p Values of the continuous variables were calculated using Kruskal–Wallis test.