Bayesian adjustment for over-estimation and under-estimation of gastric cancer incidence across Iranian provinces

Table 1 Expected coverage of cancer cases for Iranian provinces in 2008

Medical University	Percent of expected coverage
Razavi Khorasan	155.5
North Khorasan	34.8
South Khorasan	41.4
Sistan and balochestan	25
East Azerbaijan	123.6
West Azerbaijan	69
Ardebil	63
Isfahan	107.5
Kohgiloye and boyerahmad	25.1
Chaharmahal and bakhtyari	38
Fars	120.8
Hormozgan	19
Khozestan	101.19
Bushehr	25
Ilam	39.4
Mazandaran	338.4
Golestan	50.8
Tehran	155.62
Qom	53.9
Qazvin	66.3
Markazi	69.6

Table 2 Number of gastric cancer incidence and the percent of change before and after Bayesian correction in Iranian provinces 2008

Province	Before bayesian correction			After bayesian correction			Change%
	Male	Female	Both	Male	Female	Both
Fars	199	102	301	105	54	158	-47.37
Isfahan	211	86	297	188	77	264	-10.97
Razavi Khorasan	550	194	744	371	131	502	-32.55
East Azerbaijan	399	148	547	237	88	325	-40.53
Mazandaran	338	150	488	274	122	396	-18.81
Khozestan	233	114	347	173	85	258	-25.69
Tehran	1131	567	1698	1019	511	1530	-9.88
West Azerbaijan	191	80	271	291	122	412	52.17
Kohgiloye and boyerahmad	38	18	56	50	24	74	31.88
Hormozgan	26	17	43	112	73	186	331.58
Chaharmahal and bakhtyari	46	24	70	56	29	85	21.06
Sistan and balochestan	38	9	47	147	35	182	288
Ilam	37	13	50	61	22	83	65.98
North Khorasan	42	15	57	94	34	127	123.56
South Khorasan	22	13	35	45	27	71	103.86
Golestan	104	35	139	173	58	231	66.04
Qom	58	26	84	98	44	142	68.64
Ardebil	172	69	241	229	92	321	33.33
Bushehr	17	9	26	54	28	82	216
Qazvin	80	33	113	119	49	168	48.27
Markazi	63	27	90	102	44	146	61.78

Table 3 Age standardized rate of gastric cancer incidence before and after Bayesian correction in Iranian provinces 2008

Province	Before Bayesian correction			After Bayesian correction
	Male	Female	Both	Male	Female	Both
Fars	12.21	7.01	9.61	6.43	3.69	5.06
Isfahan	0.94	5.56	3.25	0.84	4.95	2.89
Razavi Khorasan	10.24	24.18	17.21	6.91	16.31	11.61
East Azerbaijan	26.61	12.09	19.35	15.82	7.19	11.51
Mazandaran	28.53	15.57	22.05	23.16	12.64	17.9
Khozestan	13.82	7.78	10.8	10.27	5.78	8.02
Tehran	20.61	12.39	16.5	18.57	11.17	14.87
West Azerbaijan	17.26	8.68	12.97	26.27	13.21	19.74
Kohgiloye and boyerahmad	14.61	7.71	11.16	19.27	10.17	14.72
Hormozgan	4.71	4.02	4.37	20.33	17.35	18.85
Chaharmahal and bakhtyari	13.46	8.6	11.03	16.29	10.41	13.36
Sistan and balochestan	4.16	0.97	2.56	16.14	3.76	9.95
Ilam	17.16	6.33	11.75	28.48	10.51	19.5
North Khorasan	12.62	5.37	9	28.21	12.01	20.12
South Khorasan	9.7	7.62	8.66	19.77	15.53	17.66
Golestan	16.86	6.27	11.56	28	10.41	19.2
Qom	13.87	7.96	10.92	23.39	13.42	18.41
Ardebil	35.18	17.49	26.33	46.91	23.32	35.11
Bushehr	4.21	3.29	3.75	13.3	10.4	11.84
Qazvin	17.76	8.43	13.1	26.33	12.5	19.42
Markazi	11.67	5.75	8.71	18.88	9.3	14.09