n = 28 | 12 months before NIV | 12 months after NIV | p value | p value |
---|---|---|---|---|
Mean (SD) | Mean (SD) | paired t test | Mann Whitney | |
No. of admissions | 3.5 (2.5) | 1.5 (2.9) | 0.002 | <0.001 |
Mean LOS | 10.7 (8.4) | 3.5 (3.9) | 0.002 | <0.001 |
Total LOS | 30.4 (21.1) | 9.5 (18) | <0.001 | <0.001 |
Acute NIV Days | 13.3 (15.4) | 1.4 (3.3) | 0.001 | <0.001 |
Admission pH | 7.31 (0.08) | 7.36 (0.04) | 0.16 | 0.02 |
Admission PCO2 | 9.42 (2.33) | 8.05 (1.99) | 0.44 | 0.48 |