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Table 2 Distribution of patients and tumour characteristics by period of diagnosis

From: Population-based study of ovarian cancer in Côte d'Or: prognostic factors and trends in relative survival rates over the last 20 years

  1982-1989 1990-1997 1998-2005  
Variables Number of patients (%) Number of patients (%) Number of patients (%) Fisher p
  N = 221 N = 255 N = 272  
Age     0.722
   < 50 44(19.9%) 59 (23.1%) 51(18.7%)  
   50-70 110(49.7%) 119(46.7%) 130(47.8%)  
   ≥ 70 67(30.3%) 77(30.2%) 91(33.5%)  
Stage at diagnosis     0.091
   I 66(29.8%) 58(22.7%) 62(22.8%)  
   II 18(8.1%) 27(10.6%) 15(5.5%)  
   III 97(43.9%) 134(52.5%) 156(57.3%)  
   IV 29(13.1%) 30(11.8%) 31(11.4%)  
   Unknown 11(4.9%) 6(2.3%) 8(3.0%)  
Histological type     
   Serous 122(55.2%) 157(61.6%) 154(56.6%) 0.178
   Mucinous Endometrioid 51(23.0%) 50(19.6%) 66(24.2%)  
   Other epithelial 28(12.7%) 36(14.1%) 27(10.0%)  
   Non epithelial 20(9.0%) 12(4.7%) 25(9.1%)  
Place of residence     
   Urban 126(57.0%) 138(54.1%) 148(54.4%) 0.803
   Rural 95(42.9%) 116(45.5%) 124(45.6%)  
   Unknown   1(0.4%)   
Menopause     
   Yes 160(72.4%) 182(71.4%) 108(39.7%) 0.570
   No 43(19.5%) 57(22.3%) 38(14.0%)  
   Unknown 18(8.1%) 16(6.3%) 126(46.3%)