Table 3 Comparison of baseline characteristics between low PNI and high PNI groups before PSM and after PSM.
Variables | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
Low PNI | High PNI | p-value | Low PNI | High PNI | p-value | |
(n = 290) | (n = 60) | (n = 60) | (n = 60) | |||
Age, years | 69.6 (4.20) | 69.1 (3.89) | 0.344 | 70.4 (5.02) | 69.1 (3.89) | 0.12 |
Gender | 0.766 | 1.000 | ||||
Female | 46 (15.9%) | 8 (13.3%) | 8 (13.3%) | 8 (13.3%) | ||
Male | 244 (84.1%) | 52 (86.7%) | 52 (86.7%) | 52 (86.7%) | ||
Hepatitis | 0.331 | 0.436 | ||||
No | 85 (29.3%) | 22 (36.7%) | 17 (28.3%) | 22 (36.7%) | ||
Yes | 205 (70.7%) | 38 (63.3%) | 43 (71.7%) | 38 (63.3%) | ||
Hypertension | 0.093 | 0.242 | ||||
No | 213 (73.4%) | 37 (61.7%) | 44 (73.3%) | 37 (61.7%) | ||
Yes | 77 (26.6%) | 23 (38.3%) | 16 (26.7%) | 23 (38.3%) | ||
Type 2 diabetes | 0.745 | 0.675 | ||||
No | 264 (91.0%) | 56 (93.9%) | 58 (96.7%) | 56 (93.3%) | ||
Yes | 26 (9.0%) | 4 (6.7%) | 2 (3.3%) | 4 (6.7%) | ||
AFP | 0.737 | 0.714 | ||||
≤ 20ng/mL | 140 (48.3%) | 31 (51.7%) | 34 (56.7%) | 31 (51.7%) | ||
> 20ng/mL | 150 (51.7%) | 29 (48.3%) | 26 (43.3%) | 29 (48.3%) | ||
Resection margin | 0.676 | 0.806 | ||||
< 1 cm | 246 (84.8%) | 49 (81.7%) | 51 (85.0%) | 49 (81.7%) | ||
≥ 1 cm | 44 (15.2%) | 11 (18.3%) | 9 (15.0%) | 11 (18.3%) | ||
Blood transfusion | 0.026 | 1.000 | ||||
no | 254 (87.6%) | 59 (98.3%) | 59 (98.3%) | 59 (98.3%) | ||
yes | 36 (12.4%) | 1 (1.7%) | 1 (1.7%) | 1 (1.7%) | ||
Operative bleeding loss | 0.258 | 0.476 | ||||
< 800mL | 265 (91.4%) | 58 (96.7%) | 60 (100%) | 58 (96.7%) | ||
≥ 800mL | 25 (8.6%) | 2 (3.3%) | 0 (0%) | 2 (3.3%) | ||
Tumor size, cm | 6.38 (3.27) | 5.38 (2.09) | 0.003 | 5.42 (1.83) | 5.38 (2.09) | 0.926 |
Tumor number | 0.269 | 0.443 | ||||
Solitary | 236 (81.4%) | 53 (88.3%) | 49 (81.7%) | 53 (88.3%) | ||
Multiple | 54 (18.6%) | 7 (11.7%) | 11 (18.3%) | 7 (11.7%) | ||
Microvascular invasion | 0.641 | 0.825 | ||||
Absence | 221 (76.2%) | 48 (80.0%) | 46 (76.7%) | 48 (80.0%) | ||
Presence | 69 (23.8%) | 12 (20.0%) | 14 (23.3%) | 12 (20.0%) | ||
Edmondson-Steiner grade | 0.998 | 0.369 | ||||
I-II | 50 (17.2%) | 10 (16.7%) | 15 (25.9%) | 10 (16.7%) | ||
III-IV | 240 (82.8%) | 50 (83.3%) | 45 (75.0%) | 50 (83.3%) | ||
Liver cirrhosis | 0.172 | 0.128 | ||||
no | 96 (33.1%) | 26 (43.3%) | 17 (28.3%) | 26 (43.3%) | ||
yes | 194 (66.9%) | 34 (56.7%) | 43 (71.7%) | 34 (56.7%) | ||