Table 1 Comparison between study periods

2001–2006% (n)

2007–2012

p

Number of patients

48.7% (455/935)

51.3% (480/935)

Age (months)

7 (IQR 4–48)

12 (IQR 5–60)

<0.001

IMV

96.7% (440/455)

93.3% (448/480)

<0.001

NIV

13.2% (60/455)

29.2% (140/480)

<0.001

NIV only

25% (15/60)

22.9% (32/140)

0.321

- Prophylactic

65% (39/60)

67.9% (95/140)

0.744

- Acute Respiratory Failure

35% (21/60)

32.1% (45/140)

- CPAP

85% (51/60)

57.1% (80/140)

0.001

- BIPAP

15% (9/60)

42.9% (60/140)

- Nasopharingeal tuve

85% (51/60)

57.9% (81/140)

0.001

- Nasal mask

10% (6/60)

0.7% (1/140)

0.003

- Full face mask

1.6% (1/60)

3.5% (5/140)

0.417

- Nasal cannula

3.3% (2/60)

41.4% (58/140)

0.001

NIV failure

20% (12/60)

12.9% (18/140)

0.201

Mortality

3.7% (17/455)

4.0% (19/480)

0.867

Median (IQR)

Median (IQR)

Duration of IMV (days)

1.0 (0.5–6.0)

2.0 (0.75–7.0)

0.139

Duration of NIV (days)

3.0 (2.0–5.0)

2.0 (1.0–4.5)

0.024

PICU LOS All patients (days)

6.0 (4.0–14.0)

7.0 (4.0–15.7)

0.053

PICU LOS Patients NIV (days)

22.0 (9.0–35.0)

14.0 (8.0–23.0)

0.004