Table 1 Demographic characteristics and underlying diseases among 465 cellulitis cases

Age (years), mean (SD)

62 (20.2)

64 (19.4)

56 (21.9)

0.001

Male sex, no. (%)

285 (61.3)

221 (59.9)

64 (66.7)

0.225

Wound (%)

123 (26.5)

84 (22.8)

39 (40.9)

<0.001

Charlson comorbidity score, mean (SD)

1.4 (1.6)

1.5 (1.6)

1.1 (1.5)

0.03

Diabetes mellitus (%)

119 (25.9)

101 (27.4)

18 (18.8)

0.085

Autoimmune disease (%)

16 (3.4)

13 (3.5)

3 (3.1)

1.00

Solid malignancy (%)

65 (14)

56 (15.2)

9 (9.4)

0.144

Hematological malignancy (%)

13 (2.8)

12 (3.3)

1 (1.0)

0.484

Liver cirrhosis (%)

29 (6.2)

20 (5.4)

9 (9.4)

0.153

HIV infection (%)

4 (0.9)

3 (0.8)

1 (1.0)

1.00

Organ transplantation (%)

2 (0.4)

2 (0.5)

0 (0.0)

1.00

Chronic obstructive pulmonary disease (%)

13 (2.8)

9 (2.4)

4 (4.2)

0.318

Peripheral artery occlusive disease (%)

18 (3.9)

14 (3.8)

4 (4.2)

0.773

Coronary artery bypass graft (%)

11 (2.4)

9 (2.4)

2 (2.1)

1.00

Fracture (%)

9 (1.9)

9 (2.4)

0 (0.0)

0.215

Flap (%)

9 (1.9)

9 (2.4)

0 (0.0)

0.215

Lymph node dissection (%)

21 (4.5)

19 (5.1)

2 (2.1)

0.273

Tinea pedis (%)

75 (18.1)

69 (18.7)

6 (6.3)

0.003

Stasis dermatitis (%)

27 (5.8)

26 (7.0)

1 (1.0)

0.025