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 (%) | Â | Â | 0.003 | Â | Â | 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 (%) | Â | Â | 0.302 | Â | Â | 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 (%) | Â | Â | 0.184 | Â | Â | 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 (%) | Â | Â | 0.054 | Â | Â | 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 (%) | Â | Â | 0.086 | Â | Â | 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 (%) | Â | Â | 0.021 | Â | Â | 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 (%) | Â | Â | 0.469 | Â | Â | 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 (%) | Â | Â | 0.013 | Â | Â | 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 (%) | Â | Â | 0.194 | Â | Â | 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 (%) | Â | Â | 0.424 | Â | Â | 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 (%) | Â | Â | 0.251 | Â | Â | 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) |  |