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Table 1 Age, risk factors, skin symptoms, and signs of systemic illness in case-control studies and pooled cases

From: A systematic review of necrotising fasciitis in children from its first description in 1930 to 2018

Item

Zerr et al. [30]

Hsieh et al. [31]

Pooled cases [2–4, 8, 27, 32–221]

Age [years] (range)

4.6 (0.5-9.6)

5 (2-13)

5.7 (0.1-17)

Varicella [%] (Number)

100 (19/19)

50 (4/8)

25.9 (77/297)

No risk factor [%] (Number)

0

12.5 (1/8)

22.9 (68/297)

Minor trauma [%] (Number)

0

0

12.5 (37/297)

Immunocompromise [%] (Number)

0

0

11.8 (35/297)

Surgery [%] (Number)

0

12.5 (1/8)

9.4 (28/297)

Trauma [%] (Number)

0

25 (2/8)

8.1 (24/297)

Skin infection [%] (Number)

0

0

6.1 (18/297)

Intramuscular injection [%] (Number)

0

0

1.7 (5/297)

Neuropathy [%] (Number)

0

0

1.4 (4/297)

Diabetes [%] (Number)

0

0

0.4 (1/297)

Erythema [%] (Number)

94.7 (18/19)

87.5 (7/8)

58.7 (175/298)

Swelling [%] (Number)

100 (19/19)

87.5 (7/8)

48 (143/298)

Pain [%] (Number)

100 (19/19)

87.5 (7/8)

33.6 (100/298)

Splinting [%] (Number)

66.7 (12/18)

37.5 (3/8)

3 (9/298)

Tenderness [%] (Number)

0

37.5 (3/8)

25.2 (75/298)

Discolouration [%] (Number)

0

0

32.6 (97/298)

Necrosis [%] (Number)

0

0

32.2 (96/298)

Oedema [%] (Number)

0

0

26.5 (79/298)

Induration [%] (Number)

0

0

14.4 (43/298)

Warmth [%] (Number)

0

0

10.7 (32/298)

Bullae [%] (Number)

0

0

9.1 (27/298)

Discharge [%] (Number)

0

0

8.4 (25/298)

Ecchymosis [%] (Number)

0

0

8.4 (25/298)

Blister [%] (Number)

0

0

6 (18/298)

Crepitus [%] (Number)

0

0

3.7 (11/298)

Fever [%] (Number)

100 (19/19)

Not reported

76.7 (188/245)

Tachycardia [%] (Number)

0

Not reported

40.7 (94/231)

Tachypnea [%] (Number)

0

Not reported

27.7 (64/231)

Hypotension [%] (Number)

26.3 (5/19)

Not reported

29.9 (69/231)

Leukocytosis [%] (Number)

Not reported

Not reported

49.5 (106/214)

Bandemia [%] (Number)

Not reported

Not reported

22.9 (49/214)

Leukopenia [%] (Number)

Not reported

Not reported

17.3 (29/214)

Hypothermia [%] (Number)

0

Not reported

0.8 (2/245)

Bradycardia [%] (Number)

0

Not reported

0.4 (1/231)

Systemic inflammatory response syndrome [%] (Number)

Not reported

Not reported

65.1 (175/269)