Table 1. Distribution of individual characteristics of patients with pancreatic cancer in the Netherlands across different socioeconomic groups. (n = 34,757).

		Low SES		Intermediate SES		High SES
		%	95% CI	%	95% CI	%	95% CI	p-value
Gender	Male	48	47–49	50	49–51	50	49–51	0.02
	Female	52	51–53	50	49–51	50	49–51
Age	<30	0.1	0.0–0.1	0.1	0.0–0.1	0.1	0.0–0.1	0.006
	30–44	1.9	1.6–2.2	2.0	1.7–2.2	2.2	2.0–2.5
	45–59	16	15–17	17	16–17	18	–17-18
	60–74	43	42–44	44	43–45	44	43–45
	75+	39	38–40	37	36–38	37	36–38
Tumorlocalization	Head	68	67–69	69	68–69	68	67–68	0.009
	Non-head	18	18–19	18	17–19	20	19–21
	Overlapping lesion/nos	13	13–14	14	13–14	13	12–13
Differentiation	Well	3.06	2.7–3.4	3.2	2.9–3.5	2.9	2.5–3.2	0.015
	Moderate	10	10–11	11	10–11	11	11–12
	Poor	10	10–11	11	11–12	11	28–30
	Undifferentiated	0.7	0.60.9	0.7	0.5–0.8	0.7	0.5–0.8
	Unknown	76	75–77	74	74–75	74	73–75
Stage	local	14	14–15	14	13–14	13	12–13	0.02
	Beyond pancreas	28	27–29	28	28–29	29	28–30
	metastatic	45	44–46	45	44–46	45	44–46
	Unknown	13	12–13	13	12–13	14	13–15
Resection	No	91	90–10	90	90–91	90	89–90	0.006
	Yes	9	9–10	10	9–10	10	10–11