Table 2 Comparison of clinical outcomes between heart failure patients with and without COPD
|  | With COPD (n = 68) | Without COPD (n = 50) | P-value |
|---|---|---|---|
LOS (days) | 13.0 (7.3–21.8) | 8.0 (5.0–13.3) | 0.002* |
Time to death (days) | 1362.8 ± 686.7 | 1459.3 ± 629.7 | 0.437 |
Time to the first readmission (days) | 176 (36–818) | 170 (34–733) | 0.980 |
All-cause mortality (n, %) | |||
 In-hospital | 2 (2.9%) | 0 (0%) | 0.507 |
 30-day | 5 (7.4%) | 2 (4.0%) | 0.697 |
 90-day | 5 (7.4%) | 3 (6.0%) | 1.000 |
 1-year | 13 (19.1%) | 6 (12.0%) | 0.299 |
 5-year | 24 (35.3%) | 16 (32.0%) | 0.709 |
 CVD mortality (n, %) | 11(16.2%) | 6 (12%) | 0.523 |
 Respiratory mortality (n, %) | 10 (14.7%) | 2 (4.0%) | 0.057 |
All-cause readmission (n, %) | |||
 30-day | 12 (17.6%) | 6 (12.0%) | 0.312 |
 90-day | 25 (36.8%) | 11 (22.0%) | 0.088 |
 1-year | 43 (63.2%) | 30 (60.0%) | 0.402 |
 5-year | 57 (83.8%) | 41 (82.0%) | 0.385 |