Table 1.

Calendar period of diagnosis, morphological verification and data on sex, cancer site and stage. Patients with invasive primary colorectal cancer, Europe and the USA

										Dukes’ stage at diagnosis*
				Microscopically verified		Males		Colon		A		B		C		D		Not available
EUROPE	Registry	N	Period of diagnosis	N	%	N	%	N	%	N	%	N	%	N	%	N	%	N	%
Estonia	Estonia	560	1997	491	88	250	45	337	60	144	26	151	27	76	14	167	30	22	4
Finland	Finland	523	1996–1998	478	91	247	47	294	56	61	12	174	33	103	20	60	11	125	24
France	Côte d'Or	561	1996–1997	544	97	302	54	382	68	112	20	209	37	98	17	114	20	28	5
Italy	Genova	589	1996	529	90	326	55	379	64	71	12	192	33	148	25	131	22	47	8
	Ragusa†	424	1996–1998	361	85	233	55	269	63
	Varese	500	1997	485	97	266	53	332	66	109	22	148	30	105	21	114	23	24	5
Netherlands	North East Netherlands	1936	1997	1821	94	1002	52	1240	64	280	14	579	30	463	24	332	17	282	15
Poland	Cracow	512	1997–1998	463	90	252	49	285	56	128	25	101	20	82	16	158	31	43	8
	Kielce	271	1996	267	99	147	54	133	49	62	23	67	25	41	15	89	33	12	4
Slovakia	Slovakia	581	1996	535	92	351	60	315	54	161	28	147	25	75	13	160	28	38	7
Slovenia	Slovenia	937	1997	871	93	490	52	474	51	131	14	265	28	243	26	209	22	89	9
Spain	Granada	567	1996–1997	523	92	312	55	360	63	63	11	191	34	109	19	148	26	56	10
	Navarra	588	1996–1997	558	95	354	60	335	57	100	17	188	32	121	21	120	20	59	10
	Tarragona	637	1996–1997	603	95	339	53	421	66	71	11	174	27	176	28	146	23	70	11
European registries‡		9186		8529	93	4871	53	5556	60	1493	17	2586	30	1840	21	1948	21	895	10
Northern Europe		523		478	91	247	47	294	56	61	12	174	33	103	20	60	11	125	24
Western Europe		2497		2365	95	1304	52	1622	65	392	16	788	32	561	22	446	18	310	12
Southern Europe†		4242		3930	93	2320	55	2570	61	545	14	1158	30	902	24	868	20	345	8
Eastern Europe		1924		1756	91	1000	52	1070	56	495	26	466	24	274	14	574	30	115	6
USA
	California	495	1997	485	98	242	49	356	72	89	18	137	28	168	34	60	12	41	8
	Colorado	548	1997	536	98	296	54	407	74	85	16	162	30	191	35	56	10	54	10
	Illinois	505	1997	497	98	239	47	384	76	71	14	144	29	224	44	36	7	30	6
	Louisiana	511	1997	502	98	263	51	374	73	115	23	146	29	146	29	90	18	14	3
	New York	492	1997	473	96	248	50	350	71	91	18	114	23	226	46	21	4	40	8
	Rhode Island	418	1997	413	99	195	47	302	72	64	15	149	36	160	38	29	7	16	4
	South Carolina	368	1997	358	97	187	51	265	72	68	18	89	24	150	41	26	7	35	10
US registries		3337		3264	98	1670	50	2438	73	583	17	941	28	1265	38	318	10	230	7
Total		12523

*Dukes' stage A–D correspond to TNM stage categories I-IV.

†Data for Ragusa are not included in the percentages of Dukes' stage for Southern Europe.

‡Northern Europe: Finland; Western Europe: France (Côte d'Or), the Netherlands (North East Netherlands); Southern Europe: Italy (Genova, Ragusa, Varese), Slovenia, Spain (Granada, Navarra, Tarragona); Eastern Europe: Estonia, Poland (Cracow, Kielce), Slovakia.