Table 1 Population characteristics according to the capillary refill time on admission

Age, years (IQR)

2.0 (0.6–12.2)

1.9 (0.6–13.0)

4.0 (0.5–11.0)

0.83^a

Weight, kg (IQR)

10.9 (8.7–30.0)

10.5 (6.9–35.2)

14.0 (6.4–27.8)

0.69^a

Female Sex (%)

63.0 (47.7)

40.0 (44.9)

23.0 (53.5)

0.35^b

Days in PICU (IQR)

11.0 (6.5–19.0)

11.0 (6.5–18.0)

11.0 (6.5–26.0)

0.69^a

Focus of Infection (%)

Respiratory

Gastrointestinal

Genitourinary

CNS

Other

58.0 (44.6%)

44.0 (33.4%)

2.0 (1.5%)

7.0 (5.3%)

21.0 (15.9%)

42.0 (47.2%)

30.0 (33.7%)

1.0 (1.1%)

4.0 (4.5%)

12.0 (13.4%)

16.0 (37.2%)

14.0 (32.5%)

1.0 (3.1%)

3.0 (7.0%)

9.0 (20.1%)

0.65^b

Sepsis classification (%)

Severe sepsis

Septic shock

54.0 (41.2%)

78.0 (58.8%)

36.0 (40.4%)

53.0 (59.6%)

18.0 (41.9%)

25.0 (58.1%)

0.79^b

PRISM III (IQR)

15.0 (9.0- 21.0)

16.0 (9.0–20.0)

15.0 (10.0–23.0)

0.91^a

PIM-2 (IQR)

18.1 (8.9–31.6)

16.6 (7.0–29.2)

21.7 (14.2- 35.5)

0.04^a

PELOD-2 Score (IQR)

8.0 (3.0–10.0)

7.0 (3.0- 9.0)

9.0 (5.0 -11.0)

0.07^a

Lactate mmol/L (IQR)

1.2 (0.8 to 1.8)

1.2 (0.8 -1.8)

1.2 (0.9 -1.7)

0.45^a

Glucose (SD) mg/dL

109.2 (91.9 -137.4)

114.0 (91.5–141.6)

108.8 (92.3–131.9)

0.93^a

DCO₂ mmHg (IQR)

5.1 (2.8–7.1)

5.1 (2.8–7.1)

5.1 (2.9–7.5)

0.73^a

Ferritin mg/dL (IQR)

431.1

(180.3–1698.5)

427.1

(189.0–1261.8)

460.2

(148.8–2314.5)

0.88^a

CRP mg/dL (IQR)

5.1 (2.0–9.6)

4.2 (1.6–8.6)

5.8 (2.6–17.3)

0.02^a

D-dimer mg/L (IQR)

3.2 (1.5–6.2)

2.9 (1.2–4.0)

7.8 (2.9–9.7)

0.09^a

Procalcitonin g/dL (IQR)

1.2 (0.4–5.2)

1.0 (0.4–4.2)

2.4 (0.4–7.6)

0.11^a

Creatinine mg/dL (IQR)

0.4 (0.4–0.6)

0.4 (0.4–0.6)

0.4 (0.4–0.6)

0.77^a

Vasoactive Score

12.3 (4.5–28.4)

11.5 (4.0–24.1)

12.3 (5.9–29.7)

0.30^a

Mechanical Ventilation (%)

76 (57.6%)

48 (53.9%)

28 (65.5%)

0.23^b

Mortality (%)

14.0 (10.6%)

8.0 (9.0%)

6.0 (14.0%)

0.38^b