Table 1

Pulmonary function tests

Pre-treatment1-year treatment1.5-year treatment
PatientNormalPatientNormalPatientNormal
FEV1 (L)2.373.262.673.102.673.01
FVC (L)3.073.783.483.693.703.64
TLC (L)4.675.665.385.615.715.55
FEV1/FVC ratio (%)77.2Within 5% of the predicted ratio76.7Within 5% of the predicted ratio72.2Within 5% of the predicted ratio
FEV1%pred (%)72.780–12086.180–12088.780–120
FVC%pred (%)81.280–12094.380–120101.680–120
TLC%pred (%)82.580–12095.980–120102.980–120
DLCO%pred (%)27.180–12030.080–12030.780–120
DLCO/VA ratio
(mL/min/mm Hg/L)
2.325.061.764.911.804.88
RV (L)1.551.542.031.61.931.58
  • DLCO%pred, percentage-predicted diffusing capacity of the lungs for carbon monoxide; FEV1, forced expiratory volume in 1 s; FEV1%pred, percentage-predicted FEV1; FVC, forced vital capacity; FVC%pred, percentage-predicted FVC; Normal, normal value; Patient, patient's value; RV, residual volume; TLC, total lung capacity; TLC%pred, percentage-predicted TLC; VA, alveolar volume.