TABLE 5.

RISK OF BEING EXPOSED TO INHALED CORTICOSTEROIDS AMONG PATIENTS WITH A HISTORY OF PREVIOUS LUNG CANCER

ICS Doses	Person-Years at Risk	Total (n = 494) (%)	Unadjusted HR (95% CI)	Adjusted HR* (95% CI)
Continuous variable (per 100 μg/d)	762	494	1.06 (1.02–1.11)	1.04 (0.99–1.09)
Categorical variable
Nonusers	752	479	Referent	Referent
< 1,200 μg/d	11	12	1.99 (1.02–3.88)	1.25 (0.63–2.47)
⩾ 1,200 μg/d	0.15	3	6.38 (1.57–25.19)	4.67 (1.06–20.53)

For definition of abbreviations, see Table 4.

^*Adjusted for age, smoking status and smoking intensity, history of malignancy other than skin cancer, Seattle Index of Comorbidity score, and bronchodilator use.