Table 1.

Means or percentages of selected patient characteristics by region and calendar time

Month/Yeara	Europeb		Japan		United States Black		United States Nonblack
	N	Mean (%)	N	Mean (%)	N	Mean (%)	N	Mean (%)
Age, yr
08/2010	2186	65.8	1708	65.0	1053	58.6	2451	65.6
12/2011	2103	66.3	1672	65.5	1261	59.0	2794	64.8
04/2013	2011	66.6	1681	65.6	1099	58.5	2195	64.6
P value for trend		0.07		0.14		0.95		0.18
Vintage, yr
08/2010	2160	5.2	1702	8.4	1046	4.6	2433	3.5
12/2011	2084	5.4	1664	8.8	1252	4.8	2777	3.8
04/2013	1995	5.2	1672	8.0	1082	4.7	2167	3.6
P value for trend		0.001		<0.001		0.10		0.18
Men, %
08/2010	2186	59.5	1707	64.1	1053	55.5	2451	56.1
12/2011	2103	59.6	1671	64.0	1261	56.1	2794	55.4
04/2013	2003	61.8	1678	64.5	1098	54.7	2196	56.3
P value for trend		0.05		0.56		0.87		0.88
Predialysis weight, kg
08/2010	2040	73.9	1606	56.7	1024	86.6	2304	81.4
12/2011	1316	74.3	1595	57.7	1179	87.0	2508	81.8
04/2013	1577	75.4	1569	58.2	1050	88.2	2051	81.0
P value for trend		0.13		0.04		0.02		0.96
Diabetes, %
08/2010	2154	34.7	1698	38.9	1042	61.5	2385	66.3
12/2011	1370	35.7	1659	38.9	1213	62.1	2610	67.4
04/2013	1657	35.0	1596	41.8	1081	60.0	2135	63.0
P value for trend		0.83		0.11		0.76		0.10
Gastrointestinal bleeding in prior 12 mo
08/2010	2142	3.8	1681	4.3	991	3.4	2298	2.9
12/2011	1360	4.6	1642	4.0	1123	3.3	2466	2.8
04/2013	1627	4.1	1573	3.9	931	2.9	1888	2.8
P value for trend		0.67		0.62		0.33		0.48
Serum albumin, g/dl
08/2010	1662	3.81	1470	3.67	1034	3.86	2369	3.82
12/2011	1221	3.74	1533	3.74	1177	3.94	2623	3.87
04/2013	1301	3.72	1518	3.72	970	3.90	1869	3.87
P value for trend		0.24		0.65		0.06		0.31
Serum creatinine, mg/dl
08/2010	1511	8.28	1536	10.93	1009	9.76	2253	7.54
12/2011	1194	8.02	1577	10.65	1072	9.52	2438	7.64
04/2013	1366	8.16	1500	10.56	915	9.64	1707	7.74
P value for trend		0.89		0.16		0.70		0.20
Catheter, %
08/2010	2126	19.1	1564	0.2	982	16.8	2270	16.8
12/2011	1640	16.9	1550	0.2	1157	18.0	2546	16.5
04/2013	1841	19.8	1584	0.2	1069	11.4	2149	12.3
P value for trend		0.46		0.40		0.001		0.30
ESA route, % iv
08/2010	1792	90.1	1271	99.8	849	99.4	1939	98.8
12/2011	1624	87.5	1276	99.6	945	99.0	2000	94.9
04/2013	1445	90.6	1348	96.1	898	99.9	1660	97.4
P value for trend		0.53		0.004		0.53		0.72

P values for trend obtained from models adjusted for monthly seasonality.

^aFacility sample transitioned from the DOPPS 4 to the DOPPS 5 during January to April of 2012.

^bEurope includes the DOPPS facility samples in Germany, Italy, Spain, and the United Kingdom.