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Table 1 General information of patients with gastric cancer during 2002–2003 in Shanghai, China

From: The survival and the long-term trends of patients with gastric cancer in Shanghai, China

Variables   Total Male Female χ2# P
Area       
  Urban 5139 (47.1) 3270 (46.5) 1869 (48.3) 3.32 0.068
  Suburb 5770 (52.9) 3768 (53.5) 2002 (51.7)   
Age-group       
  15- 107 (1.0) 45 (0.6) 62 (1.6) 125.18 <0.001
  35- 541 (5.0) 292 (4.1) 249 (6.4)   
  45- 1625 (14.9) 1032 (14.7) 593 (15.3)   
  55- 1720 (15.8) 1220 (17.3) 500 (12.9)   
  65- 3545 (32.5) 2367 (33.6) 1178 (30.4)   
  75- 2881 (26.4) 1828 (26.0) 1053 (27.2)   
  85+ 490 (4.5) 254 (3.6) 236 (6.1)   
Tumor site*       
  C16.0 1371 (12.6) 1005 (14.3) 366 (9.5) 79.41 <0.001
  C16.1 171 (1.6) 119 (1.7) 52 (1.3)   
  C16.2 873 (8.0) 536 (7.6) 337 (8.7)   
  C16.3 2436 (22.3) 1545 (22.0) 891 (23)   
  C16.4 106 (1.0) 67 (1.0) 39 (1.0)   
  C16.5 758 (6.9) 527 (7.5) 231 (6)   
  C16.6 62 (0.6) 30 (0.4) 32 (0.8)   
  C16.8 336 (3.1) 222 (3.2) 114 (2.9)   
  C16.9 4796 (44.0) 2987 (42.4) 1809 (46.7)   
Stage       
  I 601 (5.5) 394 (5.6) 207 (5.3) 8.371 0.079
  II 1085 (9.9) 721 (10.2) 364 (9.4)   
  III 1353 (12.4) 902 (12.8) 451 (11.7)   
  IV 1504 (13.8) 982 (14.0) 522 (13.5)   
  Unknown 6366 (58.4) 4039 (57.4) 2327 (60.1)   
Vital status       
  Died 8365 (76.7) 5454 (77.5) 2911 (75.2) 7.96 0.019
  Survival 2312 (21.2) 1445 (20.5) 867 (22.4)   
  Lost to follow up 232 (2.1) 139 (2.0) 93 (2.4)   
  1. *C16.0, Malignant neoplasm of cardia; C16.1, Malignant neoplasm of fundus of stomach; C16.2, Malignant neoplasm of body of stomach; C16.3, Malignant neoplasm of pyloric antrum; C16.4, Malignant neoplasm of pylorus; C16.5, Malignant neoplasm of lesser curvature of stomach, unspecified; C16.6, Malignant neoplasm of greater curvature of stomach, unspecified; C16.8, Malignant neoplasm of overlapping sites of stomach; C16.9, Malignant neoplasm of stomach, unspecified.
  2. #Chi-Square test was used to compare the distribution between males and females.