Table 3. Logistic regression analysis of significant factors in univariate analysis for all patients.

Independent risk factor for inconsistency	Odds ratio (95% CI)	p value
A high risk of exacerbations / GOLD 1 or 2 and a low risk of exacerbations / GOLD 3 or 4
GOLD spirometric classification:
II vs. I	1.71 (0.82, 3.55)	0.153
III vs. I	27.09 (13.09, 56.07)	0.000*
IV vs. I	25.15 (10.72, 59.02)	0.000*
CAT scores: ≧10 vs. <10	1.05 (0.64, 1.47)	0.899
mMRC: 2–4 vs. 0–1	0.97 (0.64, 1.47)	0.897
Co-morbidities
≧1 vs. 0	2.01 (1.32, 3.05)	0.001*
≧2 vs. 0	1.99 (0.73, 5.41)	0.177
A high risk of exacerbations / GOLD 1 or 2
Wheezing: presence vs. absence	3.90 (2.10, 7.25)	0.000*
Co-morbidities: ≧2 vs. 0	5.43 (1.67, 17.69)	0.005*
A low risk of exacerbations / GOLD 3 or 4
CAT scores: ≧10 vs. <10	1.58 (1.13, 2.22)	0.007*
mMRC: 2–4 vs. 0–1	1.53 (1.08, 2.18)	0.017*
Co-morbidities
≧1 vs. 0	2.55 (1.79, 3.63)	0.000*
≧2 vs. 0	1.92 (0.83, 4.49)	0.130

*p<0.05

Abbreviations: CI, confidence interval; also see Table 1.