| CF not steroid-treated | CF steroid-treated | Normal Subjects |
Subject n | 20 | 16 | 14 |
Age yrs | 27±2 | 30±2 | 34±2 |
Sex M/F | 14/6 | 9/7 | 6/8 |
FVC % pred | 86.3±4.9 | 74.7±5.5 | 100.5±3.1 |
FEV1 % pred | 67.5±6.5 | 51.9±4.9 | 101.8±2.6 |
P. aeruginosa in sputum culture 105 cfu·mL−1 | 9 | 13 | 0 |
Therapy: |
Inhaled steroids | 0 | 9 | 0 |
Oral steroids | 0 | 5 | 0 |
Oral+inhaled steroids | 0 | 2 | 0 |