Table 2.

Characteristics of RCC patient cohort and matched comparison cohort, Denmark, 1995 to 2010

Characteristic	RCC cohort (n = 8,633)		Matched comparison cohorta (n = 83,055)
	Total number	Percentage (%)	Total number	Percentage (%)
Sex
Female	3,284	38.0	31,653	38.1
Male	5,349	62.0	51,402	61.9
Age at diagnosis/index date, y
≤59	2,554	29.6	25,415	30.5
60–69	2,488	28.8	23,967	28.9
70–79	2,417	28.0	22,586	27.2
80+	1,174	13.6	11,087	13.3
Year of cancer diagnosis
1995–1999	2,401	27.8	23,132	27.9
2000–2004	2,566	29.7	24,834	29.9
2005–2010	3,666	42.5	35,089	42.2
Cancer stage
Nonmetastatic	4,732	54.8	–	–
Metastatic	2,597	30.1	–	–
Unknown	1,304	15.1	–	–
Comorbidity
Myocardial infarction	528	6.1	4,684	5.6
Congestive heart failure	448	5.2	3,703	4.5
Peripheral vascular disease	414	4.8	3,498	4.2
Cerebrovascular disease	723	8.4	6,576	7.9
Dementia	58	0.7	474	0.6
Chronic obstructive pulmonary disease	686	7.9	6,192	7.5
CTD	217	2.5	1,919	2.3
Ulcer disease	446	5.2	3,888	4.7
Mild liver disease	85	1.0	746	0.9
Hemiplegia	13	0.2	115	0.1
Moderate to severe renal disease	265	3.1	2,068	2.5
Diabetes type 1 or 2	531	6.2	4,653	5.6
Diabetes with end-organ damage	221	2.6	1,776	2.1
Any tumor (except RCC)	930	10.8	8,539	10.3
Leukemia	22	0.3	155	0.2
Lymphoma	50	0.6	382	0.5
Moderate to severe liver disease	33	0.4	266	0.3
Metastatic solid tumor (except RCC)	132	1.5	1,048	1.3
AIDS	3	0.0	20	0.0
Charlson comorbidity index score
0	4,980	57.7	49,170	59.2
1	1,532	17.7	14,924	18.0
2–3	1,667	19.3	15,871	19.1
4+	454	5.3	3,090	3.7

CTD = connective tissue disease.