|
Results of Cox's proportional hazards analysis for the patients with bronchiectasis |
|||
| Explanatory variables |
Risk ratio |
95% confidence interval |
P |
|
|
|||
| Age (>65 years) |
2.7 |
1.15–6.29 |
0.022 |
| LTOT (yes) |
3.12 |
1.47–6.90 |
0.003 |
|
LTOT, long-term oxygen therapy. | |||
Bewick et al. Critical Care 2004 8:389 doi:10.1186/cc2955 |
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