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Table 3 Absolute standardized differences before and after propensity score matching

From: Serum GGT/ALT ratio predicts vascular invasion in HBV-related HCC

Variables Before matching SD After matching SD
Low (n = 365) High (n = 193) Low (n = 93) High (n = 93)
Age, n (%)    0.003    0.077
  ≤ 60 291 (75.58) 131 (75.72)   73 (78.49) 70 (75.27)  
  > 60 94 (24.42) 42 (24.28)   20 (21.51) 23 (24.73)  
Sex, n (%)    0.302    0.032
 Female 70 (18.18) 14 (8.09)   12 (12.90) 13 (13.98)  
 Male 315 (81.82) 159 (91.91)   81 (87.10) 80 (86.02)  
ALT, n(%)    0.727     < 0.001
  ≤ 56 299 (77.66) 172 (99.42)   92 (98.92) 92 (98.92)  
  > 56 86 (22.34) 1 (0.58)   1 (1.08) 1 (1.08)  
Albumin, n (%)    0.184    0.086
  ≤ 40 211 (54.81) 79 (45.66)   49 (52.69) 45 (48.39)  
  > 40 174 (45.19) 94 (54.34)   44 (47.31) 48 (51.61)  
TB, n (%)    0.054    0.077
  ≤ 20 349 (90.65) 154 (89.02)   86 (92.47) 84 (90.32)  
  > 20 36 (9.35) 19 (10.98)   7 (7.53) 9 (9.68)  
AFP, n (%)    0.086    0.023
  ≤ 400 282 (73.25) 120 (69.36)   65 (69.89) 64 (68.82)  
  > 400 103 (26.75) 53 (30.64)   28 (30.11) 29 (31.19)  
Cirrhosis, n (%)    0.021    0.132
 No 79 (20.52) 37 (21.39)   17 (18.28) 22 (23.66)  
 Yes 306 (79.48) 136 (78.61)   76 (81.72) 71 (76.34)  
Size, n (%)    0.469    0.088
  ≤ 5 272 (70.75) 88 (50.87)   61 (56.99) 49 (52.69)  
  > 5 113 (29.35) 85 (49.13)   40 (43.01) 44 (47.31)  
Number, n (%)    0.07     < 0.001
 Solitary 326 (84.68) 142 (82.08)   77 (82.80) 77 (82.80)  
 Multiple 59 (15.32) 31 (17.92)   16 (17.20) 16 (17.20)  
Tumor capsule, n (%)    0.013    0.091
 Absence 245 (63.64) 109 (63.01)   64 (68.82) 60 (64.52)  
 Presence 140 (36.37) 64 (36.99)   29 (31.18) 33 (35.48)  
Differential, n (%)    0.194    0.067
 Good 269 (69.87) 105 (60.69)   32 (34.41) 35 (37.63)  
 Moderate/poor 116 (30.13) 68 (39.31)   61 (65.59) 58 (62.37)  
BCLC, n (%)    0.424    0.092
 A 260 (67.53) 84 (48.55)   51 (54.84) 51 (54.84)  
 B 108 (28.05) 68 (39.3)   37 (39.78) 35 (37.63)  
 C 17 (4.42) 21 (12.14)   5 (5.38) 7 (7.53)  
GGT, n (%)    1.648     < 0.001
  ≤ 50 261 (67.79) 11 (6.36)   11 (11.83) 11 (11.82)  
  > 50 124 (32.21) 162 (93.64)   82 (88.17) 82 (88.17)  
ALBI Grade, n (%)    0.251    0.024
 A 289 (75.06) 110 (63.58)   65 (69.89) 66 (70.97)  
 B 96 (24.9) 63 (36.42)   28 (30.11) 27 (29.03)  
  1. ALT, Alanine aminotransferase; TB, Total Bilirubin; AFP, α-fetoprotein; BCLC, Barcelona Clinic Liver Cancer staging; GGT, γ-Glutamyl Transpeptidase; ALBI grade, Albumin-Bilirubin Grade