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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

  Male Female
No. subjects 29 19
Age 65 ± 8 67 ± 5
FEV1 (% of predicted) 23 ± 6 28 ± 8
FEV1/FVC (%) 29 ± 5* 35 ± 6
Smoking pack-year 72 ± 34 57 ± 14
No. of airways examined/subjects 6 ± 4 7 ± 5
  1. Pbm basement membrane length
  2. * P < 0.05 compared to female