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Table 3 Characteristics of patients according to the tertiles of the absolute value of the difference between 1 (first acquisition) and the mean value of 3 liver stiffness measurements

From: 2D-shear wave elastography: number of acquisitions can be reduced according to clinical setting

  Low tertile Central tertile High tertile p
Gender (N = 434)
 Male 81 (28.7%) 97 (34.4%) 104 (36.9%) 0.312
 Female 48 (31.6%) 59 (38.8%) 45 (36.9%)  
Age (years) (N = 423)
 < 50 69 (35.6%) 76 (39.2%) 49 (25.2%) < 0.01
 > 50 54 (23.6%) 78 (34.0%) 97 (42.4%)  
BMI kg/m2 (N = 251)
 < 25 49 (42.6%) 44 (38.3%) 22 (21.7%) < 0.01
 25–30 10 (12%) 26 (32%) 45 (56%)  
 ≥ 30 10 (18%) 15 (27%) 30 (55%)  
AST (IU/L) (N = 397)
 < 50 89 (42.2%) 69 (32.7%) 53 (25.1%) < 0.01
 ≥ 50 39 (21%) 68 (36.5%) 79 (42.5%)  
Total bilirubin (µmol/L) (N = 404)
 < 20 109 (38.6%) 109 (38.6%) 64 (22.8%) < 0.01
 ≥ 20 24 (19.7%) 32 (26.2%) 66 (54.1%)  
Cause of CLD
 ALD 6 (9.7%) 17 (27.4%) 39 (62.9%)  
 HBV 60 (56%) 28 (26%) 20 (18%)  
 HCV 36 (31%) 43 (32%) 37 (32%) < 0.01
 NAFLD 17 (24.6%) 23 (33.3%) 29 (42%)  
 Other 31 (32%) 41 (42%) 25 (26%)  
Fibrosis stage
 F0 37 (51%) 20 (28%) 15 (21%)  
 F1 46 (44.5%) 45 (44.5%) 12 (11%)  
 F2 30 (42%) 27 (37%) 15 (21%) < 0.01
 F3 18 (33%) 20 (37%) 16 (30%)  
 F4 16 (11%) 44 (29%) 91 (60%)  
Steatosis (303)
 S0 41 (29.3%) 56 (40.0%) 43 (30.7%)  
 S1 20 (24.4%) 36 (43.9%) 26 (31.7%) 0.707
 S2 18 (30.0%) 24 (40.0%) 18 (30.0%)  
 S3 9 (42.9%) 5 (23.8%) 7 (33.3%)  
First LSM
 < 7.1 kPa 77 (62.6%) 38 (30.9%) 8 (6.5%) < 0.01
 ≥ 7.1 kPa 70 (21.3%) 118 (35.9%) 141 (42.9%)  
First LSM
 < 9.2 kPa 114 (54.2%) 73 (34.8%) 23 (11.0%) < 0.01
 ≥ 9.2 kPa 33 (13.6%) 83 (34.3%) 126 (52.1%)  
First LSM
 < 13 kPa 128 (46.7%) 106 (38.7%) 40 (14.6%) < 0.01
 ≥ 13 kPa 19 (10.7%) 50 (28.1%) 109 (61.2%)  
  1. ALD alcohol-related liver disease, AST aspartate aminotransferase, BMI body mass index, CLD chronic liver disease, HBV hepatitis B virus, HCV hepatitis C virus, LSM liver stiffness measurement, NAFLD nonalcoholic fatty liver disease