Table 4.
Pao2 During Restful Breathing, Unloaded Pedaling, and Maximum Exercise at Baseline and at 6, 12, and 24 Months Postrandomization to Treatment, for Patients Completing Testing at All Time Points*
| Baseline |
6 mo |
12 mo |
24 mo |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variables | LVRS(n = 39) | Medical(n = 32) | p Value | LVRS(n = 39) | Medical(n = 32) | p Value | LVRS(n = 39) | Medical(n = 32) | p Value | LVRS(n = 39) | Medical(n = 32) | p Value |
| Resting | 107.2 | 106.9 | 0.96 | 117.0 | 110.2 | 0.24 | 121.6 | 110.4 | 0.06 | 122.4 | 110.7 | 0.08 |
| Unloaded | 97.6 | 101.6 | 0.49 | 107.8 | 103.9 | 0.51 | 112.0 | 104.6 | 0.25 | 113.0 | 102.3 | 0.10 |
| Maximum | 88.3 | 98.7 | 0.10 | 93.7 | 97.7 | 0.52 | 94.4 | 98.6 | 0.54 | 93.8 | 93.9 | 0.99 |
*Patients inspired 30% or 31% oxygen during testing.