Table 3.

Observed vs. expected cancers in the syncope cohort and standardised incidence ratios (SIRs) in analyses stratified by age, calendar period, and sex.

	Observed/expected	SIR (95% confidence interval)
Any cancer
0–6 months	2541/1333	2.0 (1.8–2.0)
>6–12 months	1328/1245	1.1 (1.0–1.1)
>12 months	16,409/16,029	1.0 (1.0–1.0)
0–20 years	20,278/18,607	1.1 (1.1–1.1)
Age groups, years
0–29	384/330	1.2 (1.1–1.3)
30–49	1844/1573	1.2 (1.1–1.2)
50–69	8356/7570	1.1 (1.1–1.1)
70+	9694/9134	1.1 (1.0–1.1)
Calendar period
1994–1998	5936/5605	1.1 (1.0–1.1)
1999–2003	6686/6253	1.1 (1.0–1.1)
2004–2008	5315/4879	1.1 (1.1–1.1)
2009–2013	2341/1870	1.3 (1.2–1.3)
Sex
Female	9157/8727	1.1 (1.0-1.1)
Male	11,121/9880	1.1 (1.1-1.2)