Table 1.

Relative risk of gastric cancer in Iran 2005-2010

Province	Year
	2005	2006	2007	2008	2009	2010
Ardebil	2.716	2.671	2.627	2.540	2.497	2.455
Kurdistan	2.528	2.486	2.445	2.364	2.324	2.285
Khorasan Razavi	2.310	2.271	2.234	2.160	2.123	2.088
Zanjan	2.092	2.057	2.023	1.956	1.923	1.891
West Azerbaijan	2.085	2.050	2.016	1.949	1.917	1.885
Mazandaran	1.801	1.771	1.742	1.684	1.656	1.628
Chaharmahal-Bakhtiari	1.561	1.535	1.510	1.460	1.435	1.411
Golestan	1.534	1.508	1.483	1.434	1.410	1.386
Guilan	1.526	1.501	1.476	1.427	1.403	1.380
Lorestan	1.466	1.441	1.418	1.371	1.348	1.325
Qom	1.409	1.385	1.362	1.317	1.295	1.273
Kermanshah	1.331	1.309	1.287	1.244	1.223	1.203
Hamadan	1.297	1.276	1.255	1.213	1.193	1.173
Semnan	1.287	1.266	1.244	1.203	1.183	1.163
Ilam	1.156	1.137	1.118	1.081	1.063	1.045
Kohgiluyeh-Boyer-Ahmad	1.124	1.106	1.088	1.051	1.034	1.017
Ghazvin	1.088	1.071	1.053	1.018	1.001	0.984
South Khorasan	1.020	1.003	0.987	0.954	0.938	0.922
North Khorasan	0.943	0.928	0.912	0.882	0.867	0.853
Markazi	0.915	0.901	0.885	0.856	0.842	0.828
Fars	0.838	0.825	0.811	0.784	0.771	0.758
Isfahan	0.798	0.785	0.772	0.747	0.734	0.722
East Azerbaijan	0.732	0.720	0.708	0.685	0.673	0.662
Kerman	0.712	0.701	0.689	0.666	0.655	0.644
Tehran	0.642	0.632	0.622	0.601	0.591	0.581
Yazd	0.551	0.542	0.533	0.515	0.507	0.498
Khuzestan	0.475	0.467	0.460	0.444	0.437	0.430
Hormozgan	0.371	0.366	0.359	0.348	0.342	0.336
Bushehr	0.347	0.341	0.336	0.325	0.319	0.314
Sistan-Baluchestan	0.229	0.225	0.222	0.214	0.211	0.207