Table 1 Description of the 24 subjects
From: Exercise induced hemoconcentration following spleen contraction in subjects with COPD
All (N = 24) | Hypoxic (N = 9) | Non-hypoxic (N = 15) | p-value | |
|---|---|---|---|---|
Male (N) | 9 | 2 | 7 | |
Age (years) | 71 (8.8) | 72 (8.2) | 71 (9.0) | 0.758 |
Height (cm) | 166 (8.6) | 161 (8.7) | 168 (7.4) | 0.034 |
Weight (kg) | 69 (14.6) | 75 (14.3) | 66 (14.1) | 0.145 |
BMI (kg/m2) | 25 (5.5) | 29 (5.7) | 23 (4.1) | 0.008 |
FEV1(Liters) | 0.85 (0.32) | 0.94 (0.31) | 0.8 (0.32) | 0.308 |
FEV1 (% of predicted) | 33 (11.7) | 39 (12.2) | 30 (10.3)) | 0.053 |
FVC (Liters) | 1.7 (0.5) | 1.9 (0.6) | 1.7 (0.4) | 0.481 |
FVC (% of predicted) | 52 (14.8) | 60 (17.6) | 47 (10.4) | 0.026 |
FEV1/FVC | 0.49 (0.1) | 0.52 (0.1) | 0.47 (0.1) | 0.290 |
PaO2 (kPa) | 8.8 (1.5) | 7.4 (0.8) | 9.5 (1.2) | 0.001 |
PaCO2(kPa) | 5.4 (0.6) | 5.6 (0.5) | 5.2 (0.6) | 0.034 |
6-min walking test (meters) | 297 (95) | 267 (87) | 314 (98) | 0.237 |
LTOT (N) | 4 | 3 | 1 | |
LAMA (N) | 14 | 6 | 8 | |
ICS (N) | 19 | 7 | 12 | |
SAMA (N) | 6 | 4 | 2 | |
SABA (N) | 9 | 3 | 6 | |
Hypertension (N) | 7 | 4 | 3 | |
Coronary heart disease (N) | 6 | 3 | 3 | |
Diabetes (N) | 4 | 2 | 2 | |
Claudicatio intermittens (N) | 2 | 1 | 1 | |
Current smoker (N) | 2 | 2 | ||
Former smoker (N) | 22 | 7 | 15 |