Table 2.

Bladder Cancer or Rectal Cancer Sirs by Calendar Year of Diagnosis and Radiation.

	Receiving Radiation
	Bladder Cancer			Rectal Cancer
Calendar year of diagnosis	Observed	SIR	95%CI	Observed	SIR	95%CI
1975–1979	NA	NA	NA	NA	NA	NA
1980–1984	8	0.82	0.35–1.61	4	1.01	0.27-2.58
1985–1989	49	1.33	0.98–1.76	18	1.36	0.81-2.15
1990–1994	101	1.37	1.11–1.66	29	1.21	0.81-1.74
1995–1999	218	1.34	1.17–1.53	58	1.22	0.93-1.58
2000–2004	382	1.40	1.26–1.54	96	1.35	1.09-1.65
2005–2009	607	1.4	1.29–1.51	144	1.56	1.31-1.83
2010-2014	902	1.58	1.48–1.68	151	1.54	1.31-1.81
P-trend	0.003			0.025

SIRs: Standardized incidence ratios; NA: Not applicable; CI: confidence interval.

The bold part is statistically significant.