Diffusion lung capacity for carbon monoxide correlates with HRCT findings in patients with diffuse parenchymal lung disease

The Egyptian Journal of Bronchology

Table 7 Correlation between forced expiratory volume in the first second and Warrick’s score indices

HRCT findings	FEV₁		Test value	P value	Sig.
HRCT findings	Mean ± SD	Range	Test value	P value	Sig.
GGO
Absent	73.67 ± 2.52	71-76	1.222^a	0.225	NS
Present	61.52 ± 17.11	26.8-98	1.222^a	0.225	NS
Irregular pleural margin
Absent	65.26 ± 17.83	30-98	1.193^a	0.236	NS
Present	60.55 ± 16.55	26.8-91.9	1.193^a	0.236	NS
Septal, subpleural lines
Absent	64.15 ± 18.37	26.8-98	1.283^a	0.203	NS
Present	59.55 ± 15.17	34-89	1.283^a	0.203	NS
Honeycombing
Absent	64.74 ± 16.45	26.8-89	1.594^a	0.115	NS
Present	59.05 ± 17.2	30-98	1.594^a	0.115	NS
Subpleural cyst
Absent	69.57 ± 15.16	34-98	4.184^a	0.001	HS
Present	55.69 ± 15.9	26.8-88	4.184^a	0.001	HS

GGO ground glass opacity, FEV₁ forced expiratory volume in the first second, P value > 0.05: non-significant; P value < 0.05: significant; P value < 0.01: highly significant
^a Independent t test