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Table 3 BAL findings according to final interdisciplinary diagnosis

From: Diagnostic approach to interstitial pneumonias in a single centre: report on 88 cases

BAL counts (%)

Normal range

UIP/IPF

NSIP

RBILD

COP

HP

LCH

macrophages

>84

64 ± 20

45.3 ± 31

77 ± 21*

46 ± 33

33 ± 18**

86 ± 17

lymphocytes

<13

18 ± 13

36 ± 27

14 ± 9

40 ± 33†

60 ± 18††

4.5 ± 3

neutrophiles

<3

10 ± 6

13.3 ± 11

6.8 ± 6.2

8 ±11

5.5 ± 5

7.5 ± 10

eosinophiles

<0.5

7.5 ± 4.7

5 ± 6.5

2 ± 2

5.7 ± 4

1.3 ± 0,8

1.5 ± 2

mast cells

<0.5

0.5 ± 0.4

0. ± 0.3

0.2 ± 0.2

0.3 ± 0.3

0.2 ± 0.3

0.5 ± 0.4

CD4/CD8

1.1-3.5

1.6 ± 1.5

2.1 ± 1.7

0.6 ± 0.1

2 ±0.9

3.7 ± 2.7

n.a.

  1. n.a. = not available.
  2. * p < 0.05 vs NSIP, COP and HP.
  3. ** p < 0.05 vs UIP/IPF.
  4. † p < 0.05 vs UIP/IPF, HP und RBILD.
  5. †† p < 0.05 vs UIP/IPF, NSIP, COP, RBILD, und LCH.