. Author manuscript; available in PMC: 2011 Sep 1.

Published in final edited form as: J Allergy Clin Immunol. 2010 Jul 16;126(3):527–534.e8. doi: 10.1016/j.jaci.2010.05.016

Table 4.

Canonical Correlation Analysis Between Spirometry Variables and Clinical Variables Using Combined PACT and CLIC Baseline Data

Combined PACT and CLIC Canonical Variate Pairs
Standardized Coefficients
	Variate Pair 1	Variate Pair 2	Variate Pair 3
Diary AM PEF % Predicted	0.32	0.82	-1.43
Diary PM PEF % Predicted	0.05	-0.22	1.94
Max BD Response (% Change in FEV₁)	-0.61	0.77	-0.17
log₂(PC₂₀)	0.41	0.20	-0.13
Diary Symptoms (Cough and Wheeze)	0.11	0.32	-0.35
Diary Rescue Albuterol Use	-0.01	-0.14	0.07
log₁₀(Exhaled NO)	-0.01	0.07	0.46
ACQ Score	-0.17	-0.37	0.21
Prior Hospitalizations	0.07	0.08	-0.31
FEV₁ % Predicted	0.10	1.25	0.58
FEF_25-75 % Predicted	0.88	-1.40	0.83
FEV₁/FVC % Predicted	0.06	0.58	-1.54
Canonical Correlation	0.65 p < 0.0001	0.46 p < 0.0001	0.20 p = 0.23