All no PR | PR | ||
Total/COPD yr | Pre | 0.56±1.07 | 0.49±0.91 |
Post | 0.42±1.21 | 0.26±00.79#, ¶ | |
Total COPD LOS days | Pre | 3.71±6.7 | 1.81±4.8# |
Post | 4.62±9.9 | 1.45±6.23#,¶ |
Data presented as mean±sd. PR: pulmonary rehabilitation; COPD: admissions due to chronic obstructive pulmonary disease exacerbations; LOS: length of hospital stay. #: p<0.005 PR compared with no PR by t-test for independent variables; ¶: p<0.001 post-rehabilitation compared with pre-rehabilitation by t-test for paired observations.