Table 1. General characteristics of the study groups.
| Variablesa | Controls (n=158) | Cases with nonalcoholic fatty liver disease (n=154) | p-value | |
|---|---|---|---|---|
| Age (years) | 28.9 (7.7) | 39.1 (9.1) | <0.001 | |
| BMI (kg/m2) | 23.3 (3.5) | 29.5 (5.2) | <0.001 | |
| Sex | ||||
| Male | 83 (52.5) | 114 (74.0) | ||
| Female | 75 (47.5) | 40 (26.0) | <0.001 | |
| Smoking history | ||||
| No | 143 (90.5) | 115 (74.7) | ||
| Former | 10 (6.3) | 20 (13.0) | ||
| Current | 5 (3.2) | 19 (12.3) | 0.011 | |
| SBP (mmHg) | 114.8 (13.2) | 123.7 (15.2) | <0.001 | |
| DBP (mmHg) | 69.4 (8.3) | 75.0 (9.6) | <0.001 | |
| AST (IU/L) | 19.6 (7.3) | 39.8 (17.4) | <0.001 | |
| ALT (IU/L) | 19.4 (10.6) | 72.2 (41.3) | <0.001 | |
| GGT (IU/L) | 18.3 (8.5) | 58.8 (31.7) | <0.001 | |
| Steatosis | ||||
| Grade 0 | - | |||
| Grade 1 | 40 (26.0) | |||
| Grade 2 | 83 (53.9) | |||
| Grade 3 | 31 (20.1) | |||
| Necroinflammation | ||||
| Grade 0 | 48 (31.2) | |||
| Grade 1 | 58 (37.7) | |||
| Grade 2 | 46 (29.8) | |||
| Grade 3 | 2 (1.3) | |||
| Fibrosis | ||||
| Stage 0 | 88 (57.2) | |||
| Stage 1 | 59 (38.3) | |||
| Stage 2 | 7 (4.5) | |||
| Stage 3 | - | |||
| Stage 4 | - | |||
a
Variables presented as mean (SD) or number (%); BMI: body mass index, SBP: systolic blood pressure; DBP: diastolic blood pressure, AST: aspartate aminotransferase; ALT, alanine aminotransferase; GGT: gamma glutamyl transferase.