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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       
Nonsmoker % 42 36   48 40  
Ex smoker % 42 55 0.56 38 55 0.32
Current smoker % 16 9   15 5  
% still working at beryllium-using facility 36 23 0.27 40 20 0.12
Current BeLPT test results %*       
(+/+) 17 43 0.025 21 42 0.03
(+/-) 26 33   21 37  
(-/-) 57 24   58 21  
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
  1. *9 participants had either only 1 or no BeLPT test(4 had 1 test and 5 had no test result)