Table 1 Patient characteristics of the three groups of COPD patients selected according to type of PR program*
Total | In-patient group | Out-patient group | Maintenance group | P-value† | |
|---|---|---|---|---|---|
(n = 193) | (n = 72) | (n = 72) | (n = 49) | ||
Age, yrs | 69.2 (8.6) | 67.5 (8.2) | 70.4 (9.1) | 69.9 (8.2) | 0.11 |
Sex, male (%) | 92 (47.7) | 41 (56.9) | 32 (44.4) | 19 (38.8) | 0.11 |
BMI, kg/m2 | 25.2 (6.1) | 25.4 (5.6) | 25.4 (5.6) | 24.8 (6.9) | 0.85 |
FVC Litres | 2.25 (0.81) | 2.53 (0.97) | 2.23 (0.68) | 1.92 (0.55) | < 0.001 |
FVC % predicted | 70.8 (20.1) | 74.7 (20.6) | 71.5 (19.8) | 63.8 (18.3) | 0.010 |
FEV1, Litres | 1.30 (0.62) | 1.50 (0.76) | 1.29 (0.51) | 1.03 (0.39) | < 0.001 |
FEV1 % predicted | 50.7 (19.6) | 54.5 (21.8) | 52.2 (17.7) | 42.9 (15.0) | 0.004 |
FEV1/FVC % | 56.3 (14.6) | 56.5 (14.5) | 57.8 (14.3) | 53.2 (14.4) | 0.167 |
PaO2 kPa (air)** | 9.37 (1.33) | 9.55 (1.07) | 9.36 (1.37) | 9.12 (1.61) | 0.209 |
PaCO2 kPa (air)** | 5.48 (0.93) | 5.35 (0.88) | 5.49 (0.83) | 5.66 (1.12) | 0.199 |
6 min WD, m*** | 359.6 (135.7) | 379.9 (128.8) | 367.4 (158.4) | 316.4 (104.1) | 0.060 |
PR days | 26.1 (18.2) | 30.3 (20.4) | 18.9 (10.4) | 30.0 (20.3) | < 0.001 |
Hospital stays†† | 0.78 (1.35) | 0.35 (0.85) | 0.86 (1.46) | 1.17 (1.60) | 0.003 |
Hospital days†† | 5.2 (11.1) | 2.90 (8.89) | 4.78 (8.26) | 9.04 (15.69) | 0.010 |
LTOT, %††† | 37.8 | 26.4 | 29.2 | 67.3 | < 0.001 |
Survival, yrs | 7.3 (3.5) | 8.1 (3.6) | 6.7 (3.1) | 7.1 (3.9) | 0.042 |
Mortality, %†††† | 53.9 | 50.0 | 47.2 | 69.4 | 0.056 |