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

Table 1

Pulmonary function tests from Case 1.

	8 May 2007	31 March 2014	11 July 2014	22 October 2014	1 November 2018	11 October 2019	15 October 2020
FVC
L	3.26	2.73	3.04	2.95	2.41	2.04	1.78
% predicted	97	80	89	92	75	53	n/a
FEV1
L	2.30	2.02	2.11	1.88	1.83	n/a	n/a
% predicted	84	77	80	72	71	n/a	n/a
FEV1/FVC	71	74	69	64	76	n/a	n/a
DLCO
mL/mmHg/min	13.3	14.14	14.60	13.5	13.62	11.2	10.3
% predicted	63	64	67	80	85	77	n/a

DL_CO: diffusing capacity for carbon monoxide; FEV₁: forced expiratory volume in one second; FVC: forced vital capacity; n/a: not available.