Table 3 Comparison of baseline characteristics between low PNI and high PNI groups before PSM and after PSM.

From: Prognostic nutritional index is a better inflammation based prognostic marker in elderly patients with hepatocellular carcinoma after surgery

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%)

 
  1. Abbreviations: Mean (standard deviation, SD) was presented for continuous variables. PSM, propensity score matching; PNI, prognostic nutritional index; AFP, alpha-fetoprotein.