Geographical spread of gastrointestinal tract cancer incidence in the Caspian Sea region of Iran: Spatial analysis of cancer registry data

Mohebbi, Mohammadreza; Mahmoodi, Mahmood; Wolfe, Rory; Nourijelyani, Keramat; Mohammad, Kazem; Zeraati, Hojjat; Fotouhi, Akbar

doi:10.1186/1471-2407-8-137

Table 3 Spatial scan statistics for detecting local clusters in smoothed RR's

From: Geographical spread of gastrointestinal tract cancer incidence in the Caspian Sea region of Iran: Spatial analysis of cancer registry data

Cancer site	Cluster type*	p-value	No. Cases	No. Expected	Mean inside**	Mean outside**	Location
Esophageal; Both Sexes	M	0.001	459	257.0	1.74	0.82	Azadshahr, Gonbad, Kolaleh, Minoodasht
	S	0.001	147	107.3	1.51	0.94	Savadkouh
Esophageal; Male	M	0.001	227	137.9	1.59	0.81	Azadshahr, Gonbad, Kolaleh, Minoodasht
	S	0.001	24	13.7	1.41	0.91	Savadkouh
Esophageal; Female	M	0.001	232	119.1	1.83	0.84	Azadshahr, Gonbad, Kolaleh, Minoodasht
	S	0.001	123	93.6	1.29	0.97	Babol, Savadkouh
Stomach; Both Sexes	M	0.001	1262	1038.6	1.51	0.80	Amol, Babol, Ghaemshahr, Jouybar, Sari, Savadkouh
	S	0.001	333	235.9	1.34	0.93	Gonbad, Minoodasht
	S	0.001	167	136.2	1.20	0.94	Ramsar, Tonekabon
Stomach; Male	M	0.001	951	769.2	1.42	0.79	Amol, Babol, Ghaemshahr, Jouybar, Sari, Savadkouh
	S	0.001	206	168.8	1.17	0.92	Gonbad, Minoodasht
	S	0.001	114	97.2	1.14	0.92	Ramsar, Tonekabon
Stomach; Female	M	0.001	311	269.4	1.64	0.85	Amol, Babol, Ghaemshahr, Jouybar, Sari, Savadkouh
	S	0.001	101	44.5	2.14	0.99	Gonbad
	S	0.001	53	39.0	1.28	1.02	Ramsar, Tonekabon
Colorectal; Both Sexes	M	0.001	80	56.1	1.46	0.85	Ramsar, Tonekabon
	S	0.001	449	350.6	1.18	0.81	Babol, Babolsar, Ghaemshahr, Jouybar, Mahmoudabad, Sari
	S	0.001	147	83.8	1.67	0.87	Gorgan
Colorectal; Male	M	0.001	289	219.9	1.26	0.78	Amol, Babol, Babolsar, Behshahr, Ghaemshahr, Jouybar
	S	0.001	81	44.8	1.65	0.86	Gorgan
	S	0.001	13	8.1	1.38	0.87	Ramsar
Colorectal; Female	M	0.001	45	26.2	1.61	0.85	Ramsar, Tonekabon
	S	0.001	66	39.1	1.53	0.88	Gorgan
	S	0.001	213	173.8	1.16	0.85	Amol, Babol, Ghaemshahr, Sari, Savadkouh
Liver; Both Sexes	M	0.001	12	5.2	1.91	0.84	Gorgan
	S	0.001	16	10.9	1.33	0.84	Ghaemshahr, Sari
	S	0.001	3	0.9	1.17	0.87	Ramsar
Liver; Male	M	0.001	20	8.7	1.68	0.86	Gorgan
	S	0.001	30	18.1	1.28	0.86	Ghaemshahr, Sari
Liver; Female	M	0.001	3	0.9	2.00	1.03	Ramsar
	S	0.001	12	5.2	1.78	1.04	Gorgan
	S	0.001	12	7.7	1.14	1.06	Sari, Savadkouh
Pancreas; Both Sexes	M	0.001	12	7.8	1.95	0.91	Jouybar, Sari
Pancreas; Male	M	0.001	15	5.0	1.21	1.01	Jouybar, Sari

* M = most likely cluster; S = Secondary cluster.
** Mean of smoothed RR in wards inside and outside the circles generated by Sat Scan analysis.

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