Table 4

Non-steroidal anti-inflammatory drug (NSAID) use stratified by current smoking status

NSAID	Current smoker	Patients (n = 1111)4-150	Community controls (n = 989)	OR (95% CI)
−	−	312	541	1.04-151
+	−	477	228	3.6 (2.9–4.5)
−	+	159	149	1.9 (1.4–2.4)
+	+	163	71	4.0 (2.9–5.5)

↵4-150 Smoking status unknown for 10 patients.
↵4-151 Referent.
OR, odds ratio; CI, confidence interval.