Characteristics and outcomes of study patients (n=13)
| No home NIV | With home NIV | |
|---|---|---|
| Data are expressed as mean (SD). | ||
| *p=0.007; **p=0.004; ***p=0.03; NS not significant. | ||
| Mean age (years) | 55 (7.5) | |
| M:F ratio | 9:4 | |
| FEV1 (clinic measurement) | 0.58 (0.24) | |
| Mean arterial gas tensions on admission with acute exacerbation: | ||
| pH | 7.31 (0.02) | 7.31 (0.04) |
| Pco2 (kPa) | 9.94 (0.86) | 9.55 (1.26) |
| Po2 (kPa) | 6.97 (0.66) | 7.37 (2.15) |
| Admissions | 5 (3) | 2 (2)* |
| Total days in hospital | 78 (51) | 25 (25)** |
| Duration of admissions (days) | 17 (10) | 8 (7)*** |
| Days in ICU | 2 (5) | 0.3 (1) |
| Outpatient appointments | 5 (3) | 4 (2) |