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Table 1 Demographics and other characteristics of subjects with and without hepatic steatosis

From: Coffee consumption and NAFLD: a community based study on 1223 subjects

  Hepatic steatosis not diagnosed (n = 1071, mean ± STD) Hepatic steatosis diagnosed (n = 381, mean ± STD) Total p value
Gender, n (%)
 Female 639 (59.7 %) 150 (39.4 %) 789 (54.3 %) <0.0001
 Male 432 (40.3 %) 231 (60.6 %) 663 (45.7 %)  
Age 39.9 ± 12.4 49.0 ± 11.4 42.3 ± 12.8 <0.0001
BMI 24.1 ± 3.8 29.8 ± 4.7 25.6 ± 4.7 <0.0001
Waist/hip-ratio 0.8 ± 0.1 0.9 ± 0.1 0.8 ± 0.1 <0.0001
Coffee consumption, n (%)
 More than once a day 209 (19.5 %) 72 (18.9 %) 281 (19.4 %)  
 Daily 587 (54.8 %) 237 (62.2 %) 824 (56.8 %)  
 Less than weekly 86 (8.0 %) 26 (6.8 %) 112 (7.7 %)  
 Less than monthly 45 (4.2 %) 7 (1.8 %) 52 (3.6 %) 0.0408
 Seldom/rarely 144 (13.5 %) 39 (10.2 %) 183 (12.6 %)  
ALT 13.3 ± 5.6 20.0 ± 10.6 15.1 ± 7.8 <0.0001
AST 8.9 ± 2.4 11.0 ± 5.1 9.5 ± 3.5 <0.0001
GGT 11.0 ± 11.0 19.1 ± 20.3 13.2 ± 14.5 <0.0001
Metabolic syndrome, n (%)
 No 1050 (98.0 %) 317 (83.2 %) 1367 (94.2 %) <0.0001
 Yes 21 (2.0 %) 64 (16.8 %) 85 (5.9 %)  
  1. Significant p values are in italics
  2. STD standard deviation, BMI body-mass index, ALT alanine transaminase, AST aspartate transaminase, GGT gamma-glutamyl transferase