Table 4.

Five-year observed and relative survivals for cancer patients diagnosed in urban and rural areas in Pudong new district, Shanghai, China, 2002-2015.

Type	Cases		5-year OSa			5-year RSb
	Urban	Rural	Urban	Rural	P	Urban	Rural	Difference in RSR (Urban-Rural)c
Lung and bronchus	19,909	7,503	18.07	16.53	0.613	25.47	22.67	2.80
Liver	7,354	3,834	14.37	11.81	< 0.001	18.83	14.98	3.85
Pancreas	3,954	1,498	5.91	5.03	0.004	8.98	7.63	1.35
Gallbladder	2,531	955	11.81	12.86	0.109	18.78	19.64	−0.86
Esophagus	3,168	1,198	17.17	16.08	0.149	25.53	23.52	2.01
Stomach	11,076	3,741	32.65	30.52	0.037	45.62	41.46	4.16
Colon and rectum	13,579	3,586	50.16	52.16	0.284	70.00	70.29	−0.29
Lymphoma	2,831	890	38.77	40.24	0.253	49.95	51.52	−1.57
Brain and CNSd	3,318	1,129	56.10	54.51	0.045	69.69	65.82	3.87
Breast in female	9,320	2,048	83.74	83.48	0.534	95.52	92.87	2.65
Cervix	1,965	1,069	83.74	87.22	0.002	90.58	91.84	−1.26
Prostate	3,350	902	59.20	53.93	0.022	96.58	90.02	6.56
Thyroid	6,793	2,768	95.88	96.88	0.209	101.63	101.81	−0.18
All types	1,11,139	38,097	44.05	41.47	< 0.001	58.44	53.68	4.76

^aOS, observed survival.

^bRS, relative survival.

^cPositive number indicates a higher survival in urban areas.

^dCNS, central nervous system.