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Table 2 Immunological, functional pulmonary data, and results from BAL and EBC of the study subjects

From: Changes in PH in exhaled breath condensate after specific bronchial challenge test in patients with chronic hypersensitivity pneumonitis: a prospective study

 

HP

 

Non-HP

 

n = 63

n = 22

Birds

Molds

p

Birds

Molds

p

n = 42

n = 21

n = 12

n = 10

Avian IgG, + / -

22/15

-----

-

5/3

-----

-

Fungal IgG, + / -

-----

11/7

-

-----

2/6

-

FVC %, mean (SD)

74.6 (14.3)

75.53 (12.46)

0.881

75.6 (17.0)

77.33 (12.17)

0.776

DLCO %, mean (SD)

59.5 (17.6)

63.47 (20.33)

0.465

60.3 (15.0)

64.44 (15.89)

0.351

Bronchoscopy (n)

35

17

-

9

9

-

Transbronchial biopsy (n)*

25

13

 

3

7

Criobiopsy (n)*

4

0

 

2

1

Bronquial biopsy (n)*

0

0

 

1

0

Surgical biopsy(n)*

5

0

-

0

0

-

BAL (n)

35

17

-

9

9

-

BAL lymphocytes* %

19.8 (21)

22.41 (17.91)

0.663

20.33 (20.43)

16.1 (11.95)

0.685

SIC, +/−

33/9

19/2

-

0/12

0/10

-

EBC pH before SIC

7.9(0.86)**

7.78(1.03)***

0.624

8.14(0.52)

7.92(0.67)

0.245

EBC pH after SIC

7.88(0.74)**

7.63(1.02)***

0.270

8.07(0.56)

8.31 (0.19)

0.273

  1. IgG, immunoglobulin G; FVC, forced vital capacity; DLCO: diffusing capacity of the lung for carbon monoxide; BAL, bronchoalveolar lavage; *Number of patients in whom the test result was consistent with HP; **p = 0.90; ***p = 0.634