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Table 1 Patient demographics

From: Chemotherapy is not necessary for early-stage serous and endometrioid ovarian cancer after undergoing comprehensive staging surgery

Characteristics Number of patients %
Chemotherapy
 No/Unknown 1055 39.9
 Yes 1589 60.1
Age, years
  ≤ 45 434 16.4
 45–65 1484 56.1
  > 65 726 27.5
Race
 White 2243 84.8
 Non-white 401 15.2
Stage
 IA 1170 44.2
 IB 152 5.7
 IC 1014 38.4
 IIA 308 11.7
Grade
 1 1562 59.1
 2 1082 40.9
Laterality
 Right 1112 42.1
 Left 1121 42.4
 Other/Unknown 411 15.5
Tumor size, cm
  ≤ 10 1171 44.3
  > 10 1119 42.3
 Unknown 354 13.4
Histology
 Serous 821 31.1
 Endometrioid 1823 68.9