Table 1: Epidemiological characteristics of cases

according to laboratory risk indicator for

necrotizing fasciitis (LRINEC).

Variable

Group 1

Group 2

Group 3

Number of cases

12

12

17

Mean age (years)

47

49

65

Upper limb (7)

3

2

2

Lower limb (34)

9

10

15

Amputation rate (7)

1

1

5

Deaths, n (%)

2 (16.7)

4 (36.4)

5 (45.4)

Comorbidities, n

Diabetes mellitus (13)

1

6

6

Arterial hypertension (12)

2

6

4

Chronic renal failure (6)

0

2

4

HIV infection (4)

0

4

0

Liver disease hepatitis C (11)

2

4

5

Malignancy (3)

2

1

0

Rheumatoid arthritis (3)

0

2

1

Anticoagulant treatment (4)

1

2

1

Drug user (6)

2

3

1

HIV = human immunodeficiency virus.