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Table 1 Clinicopathological features of cervical scrapings in training and testing set

From: Ovarian cancer detection by DNA methylation in cervical scrapings

  Training set Testing set P value
OC Normal OC Normal
Total number 31 31 21 21  
Age (years) Mean ± SD 52.7 ± 13.4 45.5 ± 12.9 51.4 ± 11.9 40.8 ± 13.0  
FIGO stage Stage 1 13 (41.9%)   6 (28.6%)   0.23
Stage 2 5 (16.1%)   2 (9.5%)   
Stage 3 9 (29%)   12 (57.1%)   
Stage 4 4 (12.9%)   1 (4.8%)   
Grading G1 4 (12.9%)   3 (14.3%)   0.66
G2 6 (19.4%)   2 (9.5%)   
G3 19 (61.3%)   13 (61.9%)   
Unknown 2 (6.5%)   3 (14.3%)   
Histology Ser 16 (51.6%)   14 (66.7%)   0.25
En 3 (9.7%)   0 (0%)   
Mu 7 (22.6%)   2 (9.5%)   
CC 5 (16.1%)   5 (23.8%)   
  1. OC, ovarian carcinoma; SD, standard deviation; FIGO stage, it followed the International Federation of Gynecology and Obstetrics staging system to identify the stage. Ser, serous; En, endometrioid; Mu, mucinous; CC, clear cell