Table 1.

Summary statistics of characteristics of samples used in the study

VariableOC1 (Training set)OC2 (Test set)
Total sample size, N91208
 Healthy controls, n (%)48 (52.7%)52 (25%)
 LMP, n (%)052 (25%)
 Cancer cases, n (%)43 (47.3%)104 (50%)
  By stage, n (%)
   I034 (32.7%)
   II018 (17.3%)
   III34 (79.1%)47 (45.2%)
   IV9 (2.1%)5 (4.8%)
  By histology subtype, n (%)
   High-grade serous adenocarcinoma, including papillary types43 (100%)66 (63.5%)
   Endometrioid adenocarcinoma21 (20.2%)
   Clear cell adenocarcinoma10 (9.6%)
   Epithelial adenocarcinoma, not otherwise specified7 (6.7%)
Agea, mean ± SD52.44 ± 6.7352.75 ± 5.84
CA125a, mean ± SD261.64 ± 542.71211.35 ± 425.85
  By disease category, mean ± SD
   Healthy control17.26 ± 11.7919.33 ± 3.95
   LMP119.47 ± 217.01
   EOC stage I—II242.82 ± 428.66
   EOC stage III—IV541.78 ± 699.88463.77 ± 626.93
  • aAge and CA125 level did not significantly differ between the OC1 and OC2 sets at the 0.05 significance level.