Table 3.

—Correlations (r) Among Automated Airway Counts, LAD (%), and Brody Scores in Subjects With CF

Automated CT Scan Measure	Rater	Air Trapping Score		Bronchiectasis Score		Overall Score
		r	95% CI	r	95% CI	r	95% CI
Total airways	1	…	…	0.82	0.67-0.91	0.79	0.62-0.89
	2	…	…	0.87	0.76-0.93	0.89	0.79-0.94
Central airways	1	…	…	0.78	0.60-0.89	0.75	0.55-0.87
	2	…	…	0.83	0.68-0.91	0.85	0.72-0.92
Peripheral airways	1	…	…	0.75	0.55-0.87	0.83	0.69-0.91
	2	…	…	0.85	0.72-0.92	0.9	0.81-0.95
LAD (%)	1	0.83	0.68-0.91	…	…	0.64	0.38-0.81
	2	0.69	0.45-0.83	…	…	0.61	0.33-0.79

See Table 1 and 2 legends for expansion of abbreviations.