Table 1 Demographic details and lung function data for participants.

From: Abnormal M1/M2 macrophage phenotype profiles in the small airway wall and lumen in smokers and chronic obstructive pulmonary disease (COPD)

Groups

NC

NLFS

COPD-CS

COPD-ES

Tissue source

BAL

SA

BAL

SA

BAL

SA

BAL

SA

Subjects (n)

11

10

13

11

16

9

13

11

Age (years)

44 (20–68)

68 (63–75)

50 (30–66)

70 (52–79)

61 (46–78)

64 (59–78)

62 (53–69)

68 (56–85)

Smoking (Pack-Years)

0

0

32 (10–57)

33 (3–60)

45 (18–78)

28.5 (2–50)

51 (18–150)

33 (18–36)

FEV1 /FVC (post BD)†

82 (71–88)

N/A

77 (70–96)

76 (70–90)

59 (46–68)

66 (60–70)

57 (38–68)

64 (55–69)

  1. Data represented here as median and range in brackets.
  2. NC- Normal non-smoker controls, NLFS- Normal Lung Function Smokers, COPD-CS- COPD-Current Smokers and COPD-ES- COPD-Ex Smoker.
  3. BAL- Bronchoalveolar Lavage; SA- Small Airways from resected tissues.
  4. FEV1/FVC- Ratio of the forced expiratory volume in the first one second to the forced vital capacity of the lungs.
  5. †Post BD values after 400 µg of salbutamol.
  6. N/A- Not Available.
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