Table 2 Mean percent predicted values for physiologic parameters at baseline and at follow-up for each clinical subgroup (p < .05 for differe ce in italics)
From: Long-term follow-up of beryllium sensitized workers from a single employer
Pulmonary Function Tests | BeS COPD In | BeS COPD out | BeS COPD | CBD COPD In | CBD COPD out | CBD COPD | |
|---|---|---|---|---|---|---|---|
N | Â | 50 | 40 | 10 | 22 | 20 | 2 |
FEV1 % | Before | 89.3 | 92.6 | 76.2 | 86.2 | 89.1 | 57.9 |
| Â | After | 88.2 | 91.1 | 77.0 | 82.7 | 86.2 | 48.4 |
| Â | Difference | 1.1 | 1.6 | -0.8 | 3.5 | 2.9 | 9.5 |
FVC % | Before | 96.1 | 97.9 | 89.1 | 88.8 | 89.6 | 80.9 |
| Â | After | 94.4 | 94.6 | 93.5 | 87.0 | 88.9 | 67.5 |
| Â | Difference | 1.8 | 3.3 | -4.4 | 1.9 | 0.7 | 13.5 |
FEV1/FVC % | Before | 92.8 | 95.6 | 81.8 | 95.0 | 97.0 | 74.5 |
| Â | After | 92.9 | 95.6 | 82.0 | 95.0 | 98.0 | 64.9 |
| Â | Difference | -0.0 | -0.0 | -0.2 | -0.0 | -1.0 | 9.6 |
DLCO mean %* | Before | 101.3 | 103.6 | 92.2 | 99.9 | 104.0 | 59.4 |
| Â | After | 85.7 | 87.8 | 75.5 | 79.6 | 83.4 | 41.8 |
| Â | Difference | 16.0 | 15.8 | 16.7 | 20.3 | 20.6 | 17.6 |
TLC mean %* | Before | 98.6 | 98.6 | 98.7 | 94.5 | 91.5 | 125.1 |
| Â | After | 94.5 | 93.5 | 98.2 | 86.4 | 85.6 | 94.3 |
| Â | Difference | 4.2 | 5.1 | 0.5 | 8.1 | 5.9 | 30.8 |