Table 2

SLX and CA19-9 levels in serum and bronchoalveolar lavage (BAL) fluid (U/ml)

nSerum SLX (positive rate)Serum CA19-9 (positive rate)BAL fluid SLX*BAL fluid CA19-9**
Data are expressed as mean (SD).
UIP=usual interstitial pneumonia; NSIP=non-specific interstitial pneumonia; BOOP=bronchiolitis obliterans organising pneumonia; DPB=diffuse panbronchiolitis.
*p=0.005 for the overall comparison of all six subject groups; **p=0.02 for the overall comparison of all six subject groups.
Patients57
    UIP1935.5 (16.2); (33.3%)44.0 (78.7); (27.8%)103.7 (142.6) 294.0 (792.0)
    NSIP1233.8 (6.8); (25.0%)50.4 (97.3); (25.0%)100.9 (161.4) 159.8 (338.4)
    BOOP837.8 (14.4); (50.0%)27.9 (31.7); (25.0%)107.3 (99.5) 137.5 (202.5)
    Sarcoidosis1029.5 (7.3); (20.0%)18.8 (17.3); (20.0%) 31.0 (11.7) 60.3 (62.0)
    DPB846.0 (23.4); (62.5%)66.1 (60.8); (62.5%)300.6 (304.4)1506.0 (2436.6)
Healthy volunteers929.3 (4.6); (0%)12.9 (8.5); (0%) 21.2 (8.3) 33.2 (63.0)