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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   50 40 10 22 20 2
FEV1 % Before 89.3 92.6 76.2 86.2 89.1 57.9
  After 88.2 91.1 77.0 82.7 86.2 48.4
  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
  After 94.4 94.6 93.5 87.0 88.9 67.5
  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
  After 92.9 95.6 82.0 95.0 98.0 64.9
  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
  After 85.7 87.8 75.5 79.6 83.4 41.8
  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
  After 94.5 93.5 98.2 86.4 85.6 94.3
  Difference 4.2 5.1 0.5 8.1 5.9 30.8
  1. * Data missing for 8 subjects