Table 4

Correlations between DPTA variables and other parameters

t0.5F t0.5S fF t0.5
Pulmonary function
 FVC (% predicted)0.100.244-151 00
 TLC (% predicted)0.100.224-151 00
 Tlco (% predicted)0.1400.244-151 0.284-150
 Kco (% predicted)00.140.140.244-151
Blood gas analysis
 Pao 2 00.1000.10
 Sao 2 0.170.224-151 0.324-150 0.244-151
HRCT scoring
 HRCT fibrosis score0.224-151 0.1000
 HRCT ground glass score0.304-151 0.100.220.20
BAL differential cell counts
 Neutrophils (%)0.10.1400
 Lymphocytes (%)0.1400.34-150 0
 Eosinophils (%)0000.1
  • Values are expressed as Pearson's correlation coefficient (r).

  • 4-150 p<0.01,

  • 4-151 p<0.05.

  • Abbreviations as in the footnote to table 3.