Table 2 Overview of patient- and surgery-related factors with regard to their impact on the complication rate at the recipient site

Sex

(female/male)

21

(f = 10 vs m = 11)

f = 20% vs m = 18.2%

1.118

0.9124

0.142 — 8.833

Age

(> 45 years, < 45 years)

21

(> 45 years = 16 vs

 < 45 years = 5)

 > 45 = 12.5% vs < 45 = 40%

0.2414

0.1875

0.026 — 2.066

Smoking

(yes/no)

21

(yes = 9 vs no = 12)

yes = 22.2% vs no = 16.7%

1.4

0.7402

0.177 — 11.153

Alcohol consumption (yes/no)

17

(yes = 8 vs no = 9)

yes = 12.5% vs no = 33.3%

0.3714

0.3589

0.03 — 2.997

Comorbidity (yes/no)

21

(yes = 10 vs no = 11)

yes = 20% vs no = 18.2%

1.118

0.9124

0.142 — 8.833

Season

(> 20°C, < 20°C)

21

(> 20°C = 8 vs

 < 20°C = 13)

 > 20°C = 12.5% vs

 < 20°C = 23.1%

0.6

0.6319

0.05 — 4.616

Anaesthesia form (local vs. general)

21

(local = 4 vs general = 17)

local = 25% vs general = 17.6%

1.776

0.6223

0.14 — 16.094