Table 1 Baseline characteristics

Sex (male)

33 (63.5%)

213 (53.8%)

0.19

Age (years)

82.5 ± 6.5

79.4 ± 5.7

< 0.01

Follow-up period

172.4 ± 109.7

1014.4 ± 605.5

< 0.01

Operation type

0.59

- arteriovenous fistula

44 (84.6%)

323 (81.6%)

- arteriovenous graft

8 (15.4%)

73 (18.4%)

Preoperative PLR

158.2 ± 85.1

152.9 ± 76.0

0.67

Preoperative NLR

5.6 ± 3.1

4.5 ± 2.6

< 0.01

Preoperative MLR

0.6 ± 0.3

0.5 ± 0.3

0.07

Diabetes mellitus

37 (71.2%)

336 (90.1%)

0.01

COPD

33 (63.5%)

164 (41.4%)

< 0.01

Cancer

11 (21.2%)

41 (10.4%)

0.02

Peripheral artery disease

45 (86.5%)

245 (61.9%)

< 0.01

Cerebrovascular disease

24 (46.2%)

173 (43.7%)

0.74

Ischemic heart disease

14 (26.9%)

103 (26.0%)

0.89

Liver disease

14 (26.9%)

83 (21.0%)

0.33

Congestive heart failure

9 (17.3%)

46 (11.6%)

0.24

Heart valve disease

2 (3.8%)

16 (4.0%)

0.94