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Table 4 Comparison of the respiratory and hemodynamic support received in the PICU, regarding the presence and type of invasive bacterial infection

From: Risk factors and incidence of invasive bacterial infection in severe bronchiolitis: the RICOIB prospective study

Support

No BI

(n = 500)

BI

(n = 175)

CA-BI

(n = 118)

HAI

(n = 57)

P0

P1

P2

P3

Respiratory support

NIV, n (%)

463 (92.6)

164 (93.7)

110 (93.2)

54 (94.7)

0.622

0.816

0.303

0.726

NIV, days

3.3 (2.1–5.1)

3.3 (1.9–4.9)

3.2 (1.8–4.7)

3.5 (2.2–5.3)

0.521

0.295

0.698

0.554

CMV, n (%)

136 (27.2)

105 (60)

66 (55.9)

39 (68.4)

 < 0.001

 < 0.001

0.114

 < 0.001

CMV, days

8 (5.6–10.3)

7.9 (5.4–10.9)

7.1 (5.2–10.2)

9.8 (6.8–14.7)

1.000

0.090

0.001

0.018

NO, n (%)

2 (0.4)

10 (5.7)

6 (5.1)

4 (7)

 < 0.001

0.001

0.730

0.001

Inotropic, n (%)

46 (9.2)

58 (33.1)

39 (33.1)

19 (33.3)

 < 0.001

 < 0.001

0.970

 < 0.001

ECMO, n (%)

3 (0.6)

3 (1.7)

0 (0)

3 (5.3)

0.183

1.000

0.033

0.016

  1. Comparisons made: P0: no BI vs. BI; P1: no BI vs. CA-BI; P2: CA-BI vs. HAI; P3: no BI vs. HAI
  2. BI invasive bacterial infection, CA-BI community-acquired invasive bacterial infection, HAI hospital-acquired infection, CMV conventional mechanical ventilation, NIV non-invasive ventilation, NO nitric oxide,  ECMO extracorporeal membrane oxygenation