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Table 1 Patient characteristics (n = 35)

From: 18F-FDG PET/CT-based metabolic metrics in recurrent tumors of ovarian clear cell carcinoma and their prognostic implications

Variables
Age at initial diagnosis (years), median (range) 51 (28–77)
FIGO stage at diagnosis (%)a
 Early (I + II) 13 (44.8%)
 Advanced (III + IV) 16 (55.2%)
Platinum resistant recurrence (%) 12 (34.3%)
Serum CA-125 level at recurrence (U/mL), median (range) 35.1 (3.90–829.2)
Serum CA-199 level at recurrence (U/mL), median (range) 12.01 (0.5–1000)
Number of recurrent tumor lesions
 Single (%) 15 (42.9%)
 Multiple (%) 20 (57.1%)
Type of treatment
 Secondary cytoreduction surgery + chemotherapy 27 (77.1%)
 Chemotherapy 8 (22.9%)
Follow up time (months), median (range)b 36.5 (7–155)
Disease status at last follow upb
 Dead (%) 22 (64.7%)
 Alive with disease (%) 12 (35.3%)
Progression-free survival (months), median (range) 13 (2–135)
Post-relapse survival (months), median (range) 17 (4–126)
  1. aSix patients received primary surgery at outside hospital and stage was not documented
  2. bOne patient lost follow up after secondary debulk surgery for single recurrent tumor