|
Baseline characteristics of patients according to GOLD category |
|||||
| Stage 0 n = 19 |
Stage 1 n = 9 |
Stage 2 n = 21 |
Stage 3 n = 4 |
Stage 4 n = 3 |
|
|
|
|||||
| FEV1 (L) |
2.54 (0.49) |
2.06 (0.41) |
1.57 (0.43) |
0.96 (0.17) |
0.73 (0.13) |
| FEV1 (%pred) |
101.6 (10.1) |
89.1 (11.2) |
63.2 (10.3) |
40.2 (7.4) |
27.5 (2.3) |
| FVC (L) |
3.39 (0.69) |
3.61 (0.70) |
3.38 (1.12) |
3.17 (1.07) |
2.83 (0.49) |
| FVC (%pred) |
108.8 (9.6) |
127.1 (22.2) |
102.3 (20.4) |
104.5 (14.0) |
81.9 (16.4) |
| FEV1/FVC (%) |
75.4 (6.0) |
57.2 (4.5) |
48.3 (10.0) |
32.6 (9.5) |
26.7 (7.6) |
| RV (L) |
1.93 (0.41) |
2.69 (0.56) |
3.40 (0.92) |
3.46 (1.02) |
4.63 (1.06) |
| RV (%pred) |
92.3 (12.7) |
130.3 (24.6) |
156.2 (36.5) |
171.5 (34.2) |
194.0 (40.5) |
| TLC (L) |
5.44 (1.04) |
6.25 (0.99) |
6.59 (0.99) |
6.41 (2.05) |
7.01 (1.38) |
| TLC (%pred) |
98.9 (7.9) |
118.4 (12.9) |
117.0 (19.3) |
119.5 (17.6) |
113.7 (20.5) |
| TLCO (mmol/min/kPa) |
8.03 (2.10) |
7.00 (2.28) |
5.71 (2.09) |
2.92 (1.18) |
5.06 (1.43) |
| TLCO (%pred) |
100.5 (21.2) |
91.2 (24.3) |
72.0 (21.3) |
37.8 (14.8) |
62.0 (13.9) |
| KCO (mmol/min/kPa/L) |
1.60 (0.32) |
1.33 (0.38) |
1.14 (0.41) |
0.69 (0.33) |
1.14 (0.36) |
| KCO (%pred) |
110.3 (23.4) |
93.4 (31.6) |
81.4 (29.2) |
46.0 (20.9) |
86.7 (27.5) |
|
Figures represent the mean (standard deviation). | |||||
Parr et al. Respiratory Research 2006 7:136 doi:10.1186/1465-9921-7-136 |
|||||