Table 2 Comparison between age groups
From: Non-invasive mechanical ventilation after heart surgery in children
<12 months (n = 515) | ≥12 months (n = 420) | P | |
Periods | |||
- 2001–2006 | 54.1% (279) | 41.9% (176) | <0.001 |
- 2007–2012 | 45.9% (236) | 58.1% (244) | |
IMV | 97.6% (488) | 95.2% (400) | 1.0 |
NIV | 26.7% (138) | 14.8% (62) | <0.001 |
NIV only | 5.2% (27) | 4.9% (20) | 0.107 |
NIV indication | |||
- Prophylactic | 71.7% (99) | 56.4% (35) | 0.026 |
- Acute respiratory failure | 28.2% (39) | 43.5% (27) | |
NIV type | |||
- CPAP | 84.0% (116) | 24.2% (15) | <0.001 |
- BIPAP | 16.0% (22) | 75.8% (47) | |
Interface | |||
- Nasopharyngeal tube | 84.0% (116) | 25.8% (16) | <0.001 |
- Nasal mask | 2.2% (3) | 6.5% (4) | |
- Full face mask | 0% | 11.3% (7) | |
- Nasal cannula | 13.8% (19) | 64.5% (40)a | |
NIV failure | 18.8% (26) | 24.2% (15) | 0.247 |
Mortality | 4.7% (24) | 2.9% (12) | 0.104 |
Median (IQR) | Median (IQR) | ||
IMV days | 3.0 (1.0–8.0) | 1.0 (0.4–4.0) | <0.001 |
NIV days | 3.0 (1.0–5.0) | 2.0 (1.0–6.) | 0.572 |
PICU LOS (days) | 8.0 (5.0–16.7) | 5.0 (3.0–12.0) | <0.001 |
NIV GROUP | |||
IMV days | 8.0 (4.0–16.75) | 9.0 (3.0–16.0) | 0.9 |
PICU LOS (days) | 16.0 (8.0–27.7) | 15.5 (9.0–31.0) | 0.9 |