| 
      
        | Parameter | Mean MBL ± SEM
 ng/ml
 | P value VS HC
 | P Value VS IPF>55
 yrs
 | P value VS IPF <55 yrs
 | P Value VS IPF & FH
 |  
        | HC n=111
 | 1315 ± 136 | ------- | 0.48 | 0.035 | 0.01 |  
        | COPD n=33 | 1492 ± 257 | 0.58 | 0.90 | 0.05 | 0.022 |  
        | TB n=47
 | 1945  ± 268 | 0.98 | 0.24 | 0.004 | 0.004 |  
        | Sarcoid n=38 | 2040  ± 275 | 0.02 | 0.12 | 0.002 | 0.0012 |  
        | All IPF N=97
 | 1164 ± 147
 | 0.28 | 0.11 | 0.135 | 0.06 |  
        | IPF >55 n=60 | 1475  ± 203 | 0.48 | -------- | 0.012 | 0.007 |  
        | IPF <55 n=19 | 632  ± 213 | 0.03 | 0.012 | --------- | 0.59 |  
        | IPF with FH n=18 | 688  ± 279 | 0.01 | 0.007 | 0.59 | ---------- |  |