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. 2021 Feb 12;16(2):e0246837. doi: 10.1371/journal.pone.0246837

Table 1. Descriptive statistics.

Variable Classification General Advanced Fibrosis P*
Without (n = 55) With (n = 34)
Age (years)   54.5 ± 12.5 53.5 ± 12.2 56.2 ± 13.0 0.334
  < 60 55 (64.7%) 37 (69.8%) 18 (56.3%)
  ≥ 60 30 (35.3%) 16 (30.2%) 14 (43.8%) 0.245
Gender Male 34 (40%) 16 (30.2%) 18 (56.3%)
  Female 51 (60%) 37 (69.8%) 14 (43.8%) 0.023
Ethnicity White 71 (83.5%) 44 (83%) 27 (84.4%)
  Latin 7 (8.2%) 4 (7.6%) 3 (9.4%)
  Black 5 (5.9%) 3 (5.7%) 2 (6.3%)
  Asian 2 (2.4%) 2 (3.8%) 0 (0) -
Obesity (body mass index ≥ 30) No 40 (47.1%) 31 (58.5%) 9 (28.1%)
  Yes 45 (52.9%) 22(41.5%) 23 (71.9%) 0.008
Diabetes mellitus in medical records No 62 (72.9%) 44 (81.1%) 20 (59.4%)
  Yes 23 (27.1%) 10 (18.9%) 13 (40.6%) 0.043
Systemic arterial hypertension in medical records No 45 (52.9%) 30 (56.6%) 15 (46.9%)
  Yes 40 (47.1%) 23 (43.4%) 17 (53.1%) 0.502
Psoriasis No 59 (69.4%) 37 (69.8%) 22 (68.8%)
  Yes 26 (30.6%) 16 (30.2%) 10 (31.3%) 1
Fat percentage   12.5 ± 8.1 13.6 ± 9.0 10.7 ± 6.0 0.056
  ≤ 15 59 (69.4%) 33 (62.3%) 26 (81.3%)
  > 15 26 (30.6%) 20 (37.7%) 6 (18.8%) 0.090

*Student’s t-test for quantitative variables; Fisher’s exact test for categorical variables P < 0.05. The quantitative variables are described as mean ± standard deviations.