Table 2.

Crude and adjusted hazard ratios (95% confidence interval) of asthma for chronic rhinosinusitis in study I.

Characteristics	Hazard ratios (HR)
	Crude†	P-value	Adjusted†‡	P-value
HR for CRS
Asthma	1.95 (1.87–2.02)	<0.001*	1.74 (1.67–1.80)	<0.001*
Control I	1.00		1.00
HR for CRSwNP
Asthma	1.89 (1.66–2.16)	<0.001*	1.55 (1.36–1.78)	<0.001*
Control I	1.00		1.00
HR for CRSsNP
Asthma	1.94 (1.87–2.02)	<0.001*	1.74 (1.67–1.81)	<0.001*
Control I	1.00		1.00

*Cox-proportional hazard regression model, Significance at P < 0.05.

^†Stratified model for age, sex income, and region of residence.

^‡Adjusted model for atopic dermatitis, chronic obstructive pulmonary disease, and Charlson Comorbidity Index.

CRS, chronic rhinosinusitis, CRSsNP, chronic rhinosinusitis without nasal polyp; CRSwNP, chronic rhinosinusitis with nasal polyp.