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Rectum, anus and anal canal - Gents

Rates per 100,000 inhabitants

Table 1: Incidence: frequencies, crude and standardized rates per year

Incidence		1999	2000	2001	2002	2003	2004	2005	2006	1999‑2006
Count		153	208	178	175	177	178	172	178	1419
Crude rate		25.6	35.1	30.2	29.9	30.4	29.8	28.1	28.8	29.7 (28.2‑31.3)
Standardized rate	Italy 2001	26.1	35.2	29.2	28.9	29.2	28.1	27.1	27.9	29.0 (27.5‑30.5)
Standardized rate	Europe	17.8	24.2	20.6	20.0	20.1	19.3	17.8	19.5	19.9 (18.8‑21.0)
Standardized rate	World	11.9	16.4	14.2	13.8	13.7	13.1	11.9	13.5	13.5 (12.8‑14.3)

Table 2: Mortality: frequencies, crude and standardized rates per year

Mortality		1999	2000	2001	2002	2003	2004	2005	2006	1999‑2006
Count		70	63	66	73	61	76	66	54	529
Crude rate		11.7	10.6	11.2	12.5	10.5	12.7	10.8	8.7	11.1 (10.2‑12.1)
Standardized rate	Italy 2001	12.4	11.9	11.9	12.7	10.5	12.8	10.7	9.0	11.5 (10.5‑12.5)
Standardized rate	Europe	7.9	6.9	7.3	7.8	6.8	8.1	6.7	5.3	7.1 (6.5‑7.8)
Standardized rate	World	5.1	4.2	4.7	5.1	4.5	5.3	4.4	3.3	4.6 (4.2‑5.0)

Table 3: Register quality indicators per year

Indicator	1999	2000	2001	2002	2003	2004	2005	2006	1999‑2006
Mortality/Incidence ratio (%)	47.5	33.8	40.8	43.9	36.0	45.6	39.5	32.3	39.7
Cito-histologically confirmed (%)	95.4	93.3	97.2	96.6	97.7	96.1	96.5	96.6	96.1
Death certificate only - DCO (%)	0.0	0.5	0.6	0.6	0.0	1.1	0.6	1.1	0.6

Table 4: Comparison of Italian Registries mean prevalence by macro-areas

Graf 04

_	Milan	North West	North East	Centre	South	Italy
Incidence	19.1	21.3	21.6	23.8	17.9	21.4
Mortality	6.7	6.9	7.1	6.9	4.9	6.6

Table 5: Basis of diagnosis per period

_	1999‑2002	%	2003‑2006	%	1999‑2006	%
Histological	682	95.5	682	96.7	1364	96.1
Citological	0	0.0	0	0.0	0	0.0
Clinical	29	4.1	17	2.4	46	3.2
DCO	3	0.4	5	0.7	8	0.6

Table 6: More frequent morphologies

Morphology	N	%
Adenocarcinoma, NOS	529	77.6
Mucinous adenocarcinoma	48	7.0
Adenocarcinoma in tubulovillous adenoma	36	5.3
Squamous cell carcinoma, NOS	16	2.3
Adenocarcinoma in villous adenoma	12	1.8
Carcinoma, NOS	6	0.9

Table 7: Age distribution of rates

Graf 07

Age groups	Incidence	Mortality
0	0.0	0.0
1-4	0.0	0.0
5-9	0.0	0.0
10-14	0.0	0.0
15-19	0.0	0.0
20-24	0.0	0.0
25-29	0.6	0.0
30-34	0.4	0.0
35-39	2.2	1.3
40-44	4.0	1.5
45-49	8.6	1.8
50-54	23.8	5.4
55-59	29.5	8.2
60-64	65.7	17.2
65-69	88.0	29.1
70-74	106.0	33.0
75-79	113.4	46.0
80-84	150.3	64.9
85+	85.0	96.7

Table 8: Temporal trends of rates

Graf 08

Year	Mortality	Incidence
1999	7.9	17.8
2000	6.9	24.2
2001	7.3	20.6
2002	7.8	20.0
2003	6.8	20.1
2004	8.1	19.3
2005	6.7	17.8
2006	5.3	19.5

Table 10: Comparison of Italian Registries mean prevalence by macro-areas

Graf 10

Years since diagnosis	Italy	South	Centre	North East	North West	Milan
0-2	47.8	34.8	55.4	48.4	51.2	45.6
2-5	44.8	27.6	56.5	46.1	47.3	48.2
5-10	47.6	26.4	63.6	47.1	53.1	51.2
10-15	27.3	16.2	37.0	27.8	28.2	27.5
15-20	14.6	8.7	20.7	14.2	15.7	14.7
>20	13.5	7.7	18.3	13.8	14.0	13.5

Table 11: 5 years relative survival by macro-areas

Graf 11

Area	Relative survival (95% CI)
Milan	56.7 (52.6‑60.8)
North West	55.7 (53.6‑57.6)
North Est	59.3 (57.6‑60.9)
Centre	55.6 (53.0‑58.1)
South	52.6 (49.6‑55.5)
Italy	56.7 (55.6‑57.8)

Table 12: Relative survival by age since diagnosis

Age class	0	1	2	3	4	5
15-44	100.00	88.10	82.00	72.80	72.80	72.80
45-59	100.00	89.50	80.50	73.20	66.70	60.50
60-74	100.00	87.80	77.30	70.80	66.30	63.40
75+	100.00	76.00	65.60	55.70	51.90	51.90

Table 13: 5 years relative survival by biennium of incidence

Years since diagnosis	1999‑2000	2001‑2002	2003‑2004	2005‑2006
1	83.6	85.4	83.3	86.3
2	73.3	76.9	71.2	76.9
3	65.6	67.9	63.1	71.1
4	59.6	59.9	60.2	69.3
5	57.1	58.1	56.6	66.4

Table 14: Rates distribution by deprivation index

‑	1	2	3	4	5
Incidence	27.9	24.8	25.9	29.5	29.9
Mortality	7.9	10.4	8.8	9.9	13.3

Table 15: Relative survival by deprivation index

Years since diagnosis	Most deprived	Most affluent
0	100.0	100.0
1	83.3	86.8
2	69.3	77.4
3	64.0	70.1
4	61.8	67.9
5	61.6	64.6