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Table 1 Demographic of male and female subjects for the assessment of airway-associated lymphoid follicles

From: Sex differences in lymphoid follicles in COPD airways

 MaleFemale
No. subjects2919
Age65 ± 867 ± 5
FEV1 (% of predicted)23 ± 628 ± 8
FEV1/FVC (%)29 ± 5*35 ± 6
Smoking pack-year72 ± 3457 ± 14
No. of airways examined/subjects6 ± 47 ± 5
  1. Pbm basement membrane length
  2. * P < 0.05 compared to female