Table 4 Follow up Clinical Examination Results
From: Long-term follow-up of beryllium sensitized workers from a single employer
Questionnaire variables | BeS COPD in (n = 50) | CBD COPD in (n = 22) | P value | BeS COPD out (n = 40) | CBD COPD out (n = 20) | P value |
|---|---|---|---|---|---|---|
History of hay fever, asthma or eczyma (% positive) | 48 | 50 | 0.96 | 50 | 45 | 0.72 |
Steroid use (Inhaled or Oral) % | 4 | 32 | 0.001 | 5 | 25 | 0.023 |
Smoking Status | Â | Â | Â | Â | Â | Â |
Nonsmoker % | 42 | 36 | Â | 48 | 40 | Â |
Ex smoker % | 42 | 55 | 0.56 | 38 | 55 | 0.32 |
Current smoker % | 16 | 9 | Â | 15 | 5 | Â |
% still working at beryllium-using facility | 36 | 23 | 0.27 | 40 | 20 | 0.12 |
Current BeLPT test results %* | Â | Â | Â | Â | Â | Â |
(+/+) | 17 | 43 | 0.025 | 21 | 42 | 0.03 |
(+/-) | 26 | 33 | Â | 21 | 37 | Â |
(-/-) | 57 | 24 | Â | 58 | 21 | Â |
Clinical CBD N (%) | 1(2.0%) | 7(31.8%) | 0.001 | 1(2.5) | 7(35.0) | 0 |
Pulmonary Function Tests (% predicted) | ||||||
FEV1 (s.d) | 88.2(17.4) | 82.7(21.3) | 0.25 | 91.1(13.0) | 86.2(16.7) | 0.22 |
FVC (s.d.) | 94.4 (18.5) | 87.0(18.4) | 0.12 | 94.6(14.0) | 88.9 (15.7) | 0.14 |
FEV1/FVC (s.d) | 92.9 (10.2) | 95.0 (14.1) | 0.47 | 95.6(8.4) | 98.0(9.6) | 0.32 |
DLCO (s.d.) | 85.4(20.8) | 79.6(20.8) | 0.30 | 87.8(15.9) | 83.4(17.4) | 0.36 |
TLC (s.d.) | 94.5(19.1) | 86.4(14.4) | 0.05 | 93.5(14.6) | 85.6(14.7) | 0.07 |