Table 2.: HRCT Emphysema Scores and 6 Minute Walk Test

HRCT 6MWT
Patient Stage Emphysema Score Distance, m Pre- FVC L Post- FVC L Pre- FEV1 L Post- FEV1 L Pre- Borg Scale Post- Borg Scale Pre- IC, L Post- IC, L Delta- IC Pre- SaO2, % Post- SaO2, % BODE Index
1 IV 14 424 1.78 1.65 0.53 0.61 2 5 1.61 1.14 -0.47 94 82 6
2 IV 51 272 0.98 0.90 0.64 0.56 0 8 0.86 0.82 -0.04 94 82 3
3 III 18 396 1.61 1.81 0.74 0.84 0 4 0.86 1.01 0.15 96 91 5
4 II 4 384 1.78 1.74 1.00 1.03 2 7 0.91 0.92 0.01 97 87 5
5 II 23 364 1.95 1.76 1.18 1.19 2 5 1.66 1.6 -0.06 95 80 3
6 II 8 363 1.94 1.98 1.16 1.18 2 4 1.06 0.91 -0.15 95 90 3
7 III 24 356 1.32 1.31 0.66 0.72 0 5 0.84 0.85 0.01 92 74 6
8 II 6 468 2.01 2.15 1.18 1.31 0 3 1.64 1.41 -0.23 98 82 3
9 III 20 342 1.49 1.37 0.84 0.87 0 7 1.29 1.26 -0.03 95 69 4
10 III 2 424 2.28 2.26 1.01 1.03 0 5 1.58 1.7 0.12 95 89 4
11 IV 29 304 1.25 1.22 0.54 0.55 3 7 0.54 0.67 0.13 97 92 7
12 I 4 456 2.70 2.89 1.78 1.82 0 3 1.67 1.85 0.18 98 94 0
13 II 9 372 1.80 1.92 0.90 1.08 0 4 1 0.85 -0.15 95 83 4
14 IV 50 410 1.20 1.11 0.50 0.51 2 6 0.85 0.81 -0.04 96 70 5
15 III 5 432 1.39 1.47 0.90 0.96 0 4 1.07 1.37 0.3 94 89 3
16 II 7 360 1.90 1.81 1.03 0.98 0 4 1.31 1.45 0.14 97 95 4
17 III 16 342 1.63 1.51 0.89 0.83 0 3 0.79 1.02 0.23 94 90 4

Abbreviations: HRCT: High resolution computed tomography; Pre-: Pre-exercise; Post-: post-exercise; 6MWT: 6 minute walk test. FVC: Forced vital capacity; FEV1: Forced expiratory volume second 1; IC: Inspiratory capacity; BODE score: Body mass index (B), Degree of airflow obstruction (O), Functional dyspnea (D), and Exercise capacity (E).