Table 1 Patient characteristics

Age, (years)*

81 (71–94)

78 (41–90)

0.504

Gender (male/female)

6/2

13/5

1

Comorbidities

Severe diabetes mellitus, n (%)

2 (25%)

2 (11.1%)

0.563

Hemodialysis, n (%)

1 (12.5%)

3 (16.7%)

1

Ischemic heart disease, n (%)

3 (37.5%)

3 (16.7%)

0.33

Arteriosclerosis obliterans, n (%)

0 (0%)

1 (5.6%)

1

Charlson comorbidity index

Comorbidities*

2.5 (1–6)

3 (0–7)

Age*

4.5 (4–5)

4 (1–5)

Total*

7 (5–10)

7 (1–10)

0.713