Table 3.

Correlations between high resolution chest CT patterns (both at 14 and 180 days post ALI diagnosis) and pulmonary function testing parameters at 180 days

Pulmonary Function Testing Parameters at 180 Days after ALI Diagnosis
		FVC, %predicted			FEV1/FVC ratio			TLC, %predicted			RV, %predicted			DLCO/VA, %predicted			DLCO, %predicted
		R2	r	P value	R2	r	P value	R2	r	P value	R2	r	P value	R2	r	P value	R2	r	P value
Chest HRCT Pattern Scores At 180 Days after ALI Diagnosis	Reticulation	0.31	−0.6	0.0004	0.06	0.2	0.16	0.30	−0.5	0.0008	0.09	−0.3	0.08	0.07	−0.3	0.13	0.25	−0.5	0.002
	GGO	0.17	−0.4	0.01	0.20	0.4	0.007	0.28	−0.5	0.001	0.21	−0.5	0.007	0.02	−0.1	0.46	0.16	−0.4	0.02
	IPO	0.18	−0.4	0.01	0.02	0.1	0.38	0.22	−0.5	0.006	0.06	−0.2	0.16	0.21	−0.5	0.006	0.32	−0.6	0.0004
	Overall	0.27	−0.5	0.001	0.14	0.4	0.03	0.34	−0.6	0.003	0.18	−0.4	0.01	0.06	−0.2	0.16	0.26	−0.5	0.002
Chest HRCT Pattern Scores At 14 Days after ALI Diagnosis	Reticulation	0.15	−0.4	0.01	0.05	0.2	0.16	0.37	−0.6	0.0001	0.17	−0.4	0.009	0.02	−0.2	0.34	0.26	−0.5	0.0005
	GGO	0.08	−0.3	0.07	0.06	0.2	0.11	0.34	−0.6	0.0001	0.20	−0.4	0.005	0.001	−0.03	0.82	0.16	−0.4	0.008
	IPO	0.05	−0.2	0.17	0.04	0.2	0.17	0.23	−0.5	0.002	0.17	−0.4	0.009	0.01	−0.1	0.58	0.10	−0.3	0.04
	Overall	0.11	−0.3	0.03	0.06	0.3	0.12	0.38	−0.6	0.0001	0.22	−0.5	0.003	0.01	−0.1	0.57	0.20	−0.5	0.002

GGO=ground glass opacification; IPO=intense parenchymal opacification; FVC=forced vital capacity; TLC=total lung capacity; RV=residual volume; DLCO=diffusing capacity for carbon monoxide uncorrected for alveolar volume