Table 2.
Comparison of Baseline Characteristics According to the Presence of NAFLD Defined by Ultrasonography
| Characteristics | All (n=2,191) | No NAFLD (n=1,011) | NAFLD (n=1,180) | p-value |
|---|---|---|---|---|
| Age, yr | 52.85±10.76 | 52.36±11.23 | 53.27±10.33 | 0.049 |
| Sex, male/female | 1,368/823 | 524/487 | 844/336 | |
| Skeletal muscle mass index, % | 29.31±3.81 | 29.82±3.84 | 28.89±3.73 | <0.001 |
| Body fat mass, % | 28.71±7.58 | 27.10±7.45 | 30.08±7.41 | <0.001 |
| Body mass index, kg/m2 | 25.35±3.83 | 23.77±3.40 | 26.71±3.66 | <0.001 |
| Systolic blood pressure, mm Hg | 122.07±11.99 | 120.52±12.39 | 123.39±11.48 | <0.001 |
| Diastolic blood pressure, mm Hg | 72.00±8.57 | 71.31±8.43 | 72.59±8.65 | <0.001 |
| Fasting plasma glucose, mg/dL | 104.16±23.49 | 98.47±17.34 | 109.02±26.74 | <0.001 |
| Total cholesterol, mg/dL | 204.85±42.22 | 203.47±40.42 | 206.02±43.69 | 0.157 |
| Triglyceride, mg/dL | 143.66±100.89 | 110.41±55.94 | 172.05±120.22 | <0.001 |
| HDL-C, mg/dL | 54.86±13.40 | 58.85±14.20 | 51.45±11.64 | <0.001 |
| LDL-C, mg/dL | 128.96±33.59 | 125.87±32.18 | 131.60±34.54 | <0.001 |
| Aspartate aminotransferase, IU/L | 32.04±19.77 | 30.10±18.84 | 33.69±20.40 | <0.001 |
| Alanine aminotransferase, IU/L | 32.26±23.63 | 26.09±17.71 | 37.53±26.61 | <0.001 |
| γ-Glutamyl transferase, IU/L | 38.44±56.24 | 31.17±68.23 | 44.64±42.52 | <0.001 |
| Insulin, μIU/mL | 8.38±5.26 | 6.52±3.78 | 10.14±5.83 | <0.001 |
| Diabetes, % | 364 (16.7) | 120 (11.9) | 244 (20.7) | <0.001 |
| Smoking, % | 426 (20.7) | 159 (16.5) | 267 (23.6) | <0.001 |
| Exercise, % | 1,524 (69.6) | 748 (75.7) | 776 (68.5) | <0.001 |
| CAP, dB/m | 256.21±55.43 | 230.76±49.34 | 278.01±50.90 | <0.001 |
| Liver stiffness, kPa | 4.33±2.47 | 4.06±3.04 | 4.57±1.81 | <0.001 |
Data are presented as mean±SD or number (%).
NAFLD, nonalcoholic fatty liver disease; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; CAP, controlled attenuation parameter.