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Table 1 Summaries of detailed clinical and MRI characteristics of the studied population

From: Magnetic resonance imaging in categorization of ovarian epithelial cancer and survival analysis with focus on apparent diffusion coefficient value: correlation with Ki-67 expression and serum cancer antigen-125 level

  Type I Type II  
(n = 145) (n = 105) p value
Clinical features
 Age (yrs.) 43.3 ± 13.9 54.5 ± 9.9 0.00
  < 30 27 (96.4%) 1 (3.6%)  
  30–50 61 (66.3%) 31 (33.7%)  
   > 50 57 (43.8%) 73 (56.2%)  
 CA125 level (IU/mL) 206 ± 326 843 ± 1141 0.00
  < 35 34 (75.6%) 11 (24.4%)  
  35–200 49 (74.2%) 17 (25.8%)  
  201–500 16 (44.4%) 20 (55.6%)  
  > 500 16 (26.7%) 44 (73.3%)  
 Ki67expression (%) 19 ± 20 36 ± 22 0.00
  < 50 117 (63.6%) 67 (36.4%)  
  50–75 12 (30.8%) 27 (69.2%)  
  > 75 2 (22.2%) 7 (77.8%)  
 FIGO Stage    0.00
  I 59 (75.6%) 19 (24.4%)  
  II 11 (52.4%) 10 (47.6%)  
  III 26 (32.1%) 55 (67.9%)  
  IV 1 (8.3%) 11 (91.7%)  
MRI features
 Maximum diameter (mm) 112.7 ± 4.9 74.7 ± 3.32 0.00
  < 30 3 (42.9%) 4 (57.1%)  
  30–50 12 (33.3%) 24 (66.7%)  
  51–100 54 (52.9%) 48 (47.1%)  
  > 100 71 (73.2%) 26 (26.8%)  
 Component    0.00
  Solid 21 (58.3%) 15 (41.7%)  
  Cyst 20 (29.9%) 47 (70.1%)  
  Mixed 99 (71.2%) 40 (28.8%)  
 Mean ADC (SD.) × 10−3 s/m2 1275.9 (491.9) 819.4 (222.7) 0.00
  Solid 1086(214) 814(187)  
  Cyst 1015(517) 805(187)  
  Mixed 1309(507) 856(242)  
 Septa    0.01
  Absent 72 (50.0%) 72 (50.0%)  
  Present 68 (70.1%) 29 (29.9%)  
 High signal on T1WI    0.00
  Absent 75 (46.6%) 86 (53.4%)  
  Present 65 (81.3%) 15 (18.7%)