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Table 1 Demographic and pathological characteristics of GC patients

From: Survival analysis in gastric cancer: a multi-center study among Iranian patients

Demographic Characteristics Censored
(n = 804)
Dead
(n = 891)
Total
(n = 1695)
Number Percent Number Percent Number Percent
Age (year)
  < 60 397 49.4 390 43.8 787 46.4
  > 60 403 50.1 501 56.2 904 53.3
Sex
 Male 471 58.6 478 53.6 949 56
 Female 333 41.4 413 46.4 746 44
Marital status
 Unmarried 50 6.2 51 5.7 101 6
 Married 749 93.2 835 93.7 1584 93.5
Education
 Illiterate 220 27.4 125 14 345 20.4
 Primary 199 24.8 199 22.3 398 23.5
 University 58 7.2 88 9.9 146 8.6
Family history
 Yes 201 25 263 29.5 464 27.4
 No 563 70 576 64.6 1139 67.2
BMI
  < 18.5 92 11.4 112 12.6 204 12
 18.6–24.9 394 49 453 50.8 847 50
  > 25 115 14.3 109 12.2 189 11.2
Smoking status
 Yes 326 40.5 431 48.4 757 44.7
 No 439 54.6 392 44 831 49
Tumor type
 Adenocarcinoma 384 47.8 427 47.9 811 47.8
 Lymphoma 73 9.1 44 4.9 117 6.9
 Other 93 11.6 59 6.6 152 9
Lymph node
 N1 139 17.3 136 15.3 275 16.2
 N2 209 26 233 26.2 442 26.1
 N3 39 6.1 37 4.2 86 5.1
Metastasis
 Yes 168 20.9 401 45 569 33.6
 No 451 56.1 403 45.2 854 50.4
Treatment
 Surgery 437 54.3 470 52.7 907 53.5
 Surgery+ chemotherapy 245 30.5 230 25.8 475 28
 Chemotherapy+ radiotherapy 122 15.2 191 21.5 313 18.5
Tumor size
 T1 118 14.7 107 12 225 13.3
 T2 229 28.5 208 23.3 437 25.8
 T3 94 11.7 156 17.5 250 14.7
Grade
 Well 286 35.6 300 33.7 586 34.6
 Moderate 194 24.1 311 34.9 505 29.8
 Poorly 124 15.4 110 12.3 234 13.8
 Undifferentiated 165 20.5 126 14.1 291 17.2