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Table 2 Bronchoalveolar lavage fluid SP-D and phospholipids

From: Smoking reduces surfactant protein D and phospholipids in patients with and without chronic obstructive pulmonary disease

 

Never Smoker

Smokers

 
  

Control

COPD

P

BAL SP-D (uncorrected) ng/ml

558 ± 309

287 ± 204

235 ± 203

<0.0001

BAL SP-D (corrected) μg/ml

51.9 ± 64.3

16.0 ± 19.3

19.1 ± 20.5

<0.0001

BAL phospholipid (nmol/ml)

14.8 ± 7.4

8.9 ± 7.8

8.5 ± 7.7

<0.0001

BAL SP-D ng/phospholipid nmol

42.2 ± 31.5

52.1 ± 61.8

44.8 ± 33.3

N.S.

  1. Shown are means ± standard deviations; P values were calculated using ln transformed data (see Additional File 1: Supplemental Table S1).
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BMC Pulmonary Medicine

ISSN: 1471-2466

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