Table 4

Statistical analysis of dropouts versus non-dropouts FVC throughout time.

nMean±SD (%)Statistical significance
FVC (%) baselineNon-dropout1467.64±10.40p=0.021
Dropout1757.12±11.58
FVC (%) first yearNon-dropout1176.00±18.39p=0.005
Dropout950.78±12.69
FVC (%) second yearNon-dropout676.00±12.44p=0.061
Dropout554.40±5.55
FVC (%) third yearNon-dropout386.33±16.44p=0.400
Dropout24800±11.31
  • Significance p<0.05 (95% CI). A dropout was a patient who discontinued pirfenidone at any time.

  • FVC, forced vital capacity.