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Table 1 Characteristics of low-risk and high-risk patients

From: Can addition of frozen section analysis to preoperative endometrial biopsy and MRI improve identification of high-risk endometrial cancer patients?

  Low-risk patients High-risk patients P value
N 103 69  
Age (y) 54.3 ± 9.53 59.8 ± 11.0 P < 0.001b
Histologic subtype No lesion 2 G1 18  
APAM 2 G2 4  
AEH 5 G3 23  
G1 71 CL 4  
G2 23 S 12  
  CS 6  
  Others 2  
T factor (TNM classification) T1a without myometrial invasion 23 T1a without myometrial invasion 3  
T1a 80 T1a 22  
  T1b 22  
  T2 3  
  T3a 12  
  T3b 7  
Lymph node metastasis 0 13 P < 0.001a
CA125 (U/ml) 37.7 ± 116.5 139.2 ± 414.5 P < 0.001b
CEA (ng/ml) 4.35 ± 26.4 5.16 ± 15.0 0.02b
CA19–9 (U/ml) 55.1 ± 230.3 104.2 ± 255.3 0.74b
  1. APAM atypical polypoid adenomyoma
  2. AEH atypical endometrial hyperplasia
  3. G1, G2, G3 endometrioid adenocarcinoma grade 1, 2, 3
  4. CL clear cell carcinoma
  5. S serous carcinoma
  6. CS carcinosarcoma
  7. TNM classification: The 8th edition of the Union for International Cancer Control (UICC)-Tumor Node Metastasis (TNM) classification
  8. a: Fisher’s exact test
  9. b: Wilcoxon rank-sum test