Challenges in the Diagnosis and Management of Patients with Fibrosing Interstitial Lung Disease

Table 3

Pulmonary function tests from Case 3.

	20 October 2015	3 March 2016	23 June 2016	9 December 2016	9 June 2017	19 July 2018	10 January 2019	19 December 2019	23 July 2020
FVC
L	2.56	2.40	2.32	2.46	2.60	2.67	2.67	2.64	2.63
% predicted	52	51	49	52	55	57	58	67	66
FEV1
L	2.01	1.94	1.80	1.94	1.99	1.99	2.06	1.94	2.11
% predicted	54	54	50	55	57	57	59	62	67
FEV1/FVC	79	81	77	79	77	75	77	74	80
DLCO
mL/mmHg/min	17.86	17.29	14.41	20.34	18.11	22.07	22.25	21.64	25.00
% predicted	62	61	51	72	65	80	80	79	97

DL_CO: diffusing capacity for carbon monoxide; FEV₁: forced expiratory volume in one second; FVC: forced vital capacity.