Table 1.

Patient characteristics collected from each ovarian cancer cohort

Cohort
Clinicopathologic featureTotalAOCS (Australia)JIKEI (Japan)P value
Number of cases682345
Age
 Median (range)55 (33–78)56 (33–78)51 (33–77)0.163a
Stage
 Early195140.570
 Advanced491831
Pathologic morphology
 Pure6119420.216
 Mixed743
Residual tumor (cm)
 None3310230.754
 <120812
 ≥115510
1st line chemotherapy
 Platinum-based regimen6823451.000
 Other000
Progression/recurrence
 Confirmed6623430.546
 Not confirmed202
Outcome
 Alive122100.200
 Dead562135
Median follow-up (range) (months)24.9 (2.7–152.0)22.5 (2.6–71.2)0.870a
  • aP values were calculated by Fisher's exact test and Mann Whitney test.