DPLD (diffuse parenchymal lung disease) is a condition of drying up of the lungs.The lungs get scarred and the patient suffers from progressive shortness of breath.The diagnosis of the condition is done by HRCT (high resolution computerized tomography) chest of the lungs. We have observed a new change in a common investigation as spirometry and evolved a regression equation to diagnose DPLD with high predictive power.

(Presentred in APSR (A0194)- {Respirology 2018; 23 (Suppl.2), 78-79}