. Author manuscript; available in PMC: 2013 Jun 1.

Published in final edited form as: Pediatr Pulmonol. 2011 Dec 13;47(6):567–573. doi: 10.1002/ppul.21621

Table 2.

Lung disease surrogates obtained within 1 year prior to the chest CT. Number of subjects = 81 unless otherwise noted.

Measure (Number of observation)	Mean (standard deviation) or %
Brody chest CT score	3.1 (3.0)
FEV₁ % predicted (n=76)	91.1 (16.7)
FEV₁/FVC (n=75)	81.0 (7.3)
FEF_25–75 % predicted (n=72)	85.4 (29.3)
RV/TLC (n=70)	30.2 (7.9)
WCXR (n=71)	15.4 (13.0)
BCXR (N=71)	18.8 (2.9)
Daily cough	46%
Daily sputum production	41%
Culture positive for P. aeruginosa	48%
Chronic antibiotics	25%
Acute antibiotics	25%
Hospitalization	9%