Table 4.

Cox proportional hazard regression analysis for the risk of ischemic stroke associated with the joint effect of bronchiectasis and individual comorbidity

Variables		N	Event n	aHRa (95% CI)
Bronchiectasis	Diabetes
No	No	5,457	107	1
Yes	No	1,087	38	2.00 (1.38–2.90)***
No	Yes	1,018	56	2.20 (1.59–3.05)***
Yes	Yes	208	20	4.42 (2.74–7.14)***
Bronchiectasis	AF
No	No	6,402	158	1
Yes	No	1,270	52	1.88 (1.37–2.57)***
No	Yes	73	5	1.89 (0.77–4.61)
Yes	Yes	25	6	7.02 (3.10–15.9)***
Bronchiectasis	Hypertension
No	No	4,076	63	1
Yes	No	819	18	1.61 (0.95–2.72)
No	Yes	2,399	100	1.79 (1.30–2.47)***
Yes	Yes	476	40	4.02 (2.69–6.02)***

Notes:

^aMultivariable analysis including age and sex;

^***P<0.001.

Abbreviations: aHR, adjusted hazard ratio; CI, confidence interval; AF, atrial fibrillation.