TABLE 2.
Differences in demographics
| Overweight | Obese Class I | Obese Class II | Obese Class III | P value* | |
|---|---|---|---|---|---|
| Biochemistry cohort | n = 30 | n = 169 | n = 281 | n = 287 | |
| Male Sex; n (%) | 15 (50%) | 90 (53%) | 187 (67%) | 185 (64%) | .015 |
| Hispanic Ethnicity; n (%) | 7 (23%) | 44 (26%) | 64 (23%) | 34 (12%) | .006 |
| T2DM; n (%) | 1 (4%) | 11 (7%) | 18 (7%) | 20 (7%) | .920 |
| Vitamin E use; n (%) | 0 (0%) | 1 (1%) | 1 (<1%) | 2 (1%) | .921 |
| Metformin use; n (%) | 1 (3%) | 31 (18%) | 53 (19%) | 71 (25%) | .023 |
| Imaging cohort | n = 10 | n = 74 | n = 107 | n = 174 | |
| Sex (%Male) | 4 (40%) | 40 (54%) | 75 (70%) | 122 (70%) | .02 |
| T2DM; n (%) | 1 (10%) | 4/71(6%) | 8/98 (8%) | 7/163 (4%) | .58 |
| Hispanic (n; %) | 2 (20%) | 20 (27%) | 27 (25%) | 28 (16%) | .39 |
| Metformin (n; %) | 4 (40%) | 13 (18%) | 24 (22%) | 35 (20%) | .40 |
| Vitamin E use (n; %) | 0 (0%) | 7 (9%) | 5 (5%) | 15 (9%) | .42 |
| Histology cohort | n = 4 | n = 48 | n = 84 | n = 113 | |
| Sex (%Male) | 3 (75%) | 28 (58%) | 57 (68%) | 78 (69%) | .58 |
| T2DM; n (%) | 0 (0%) | 3 (6%) | 9 (11%) | 12 (11%) | .72 |
| Hispanic (n; %) | 2 (50%) | 10 (21%) | 23 (27%) | 19 (17%) | .30 |
| Metformin (n; %) | 0 (0%) | 16 (33%) | 24 (29%) | 31 (28%) | .54 |
| Vitamin E use (n; %) | 0 (0%) | 3 (6%) | 2 (2%) | 5(4%) | .70 |
Note. Exact Chi-square tests were used for variables with at least one cell less than 5 in the frequency table. Otherwise asymptomatic Chi-square test was used. Percentages reflect the % within each weight subgroup unless otherwise noted.