Table 3 Pearson correlations coefficients between %HDS and differential cell count in BAL, serum proteins, lung function, smoking status and demographic data

BAL cell concentration (10⁶/L)

-

0.38^$

0.57^$$$

BAL macrophages (10⁶/L)

-

0.36^$

0.57^$$$

BAL lymphocytes (10⁶/L)

-

0.41^$$

-

BAL neutophils (10⁶/L)

-

0.47^$$

0.40^$

Serum-haptoglobin (g/L)

-

0.37^$

0.32^$

Serum-immunoglobulin G (g/L)

-

−0.50^$$

−0.41^$

TLC (% predicted)

−0,52^$$$

-

−0.39^$

RV (% predicted)

−0,33^$

-

−043^$$

FEV₁ (% predicted)

-

-

-

DLco (% predicted)

-

-

-

Smoking history (pack years)

-

-

-

Cigarette per day (last 6 months)

-

-

0.41^$$

Height

−0.40^$$

−0.32^$

-