Table 2

Surgical characteristics: comparison between interval debulking surgery versus primary tumor reductive surgery. Data are numbers (%) unless indicated otherwise

CharacteristicInterval debulking surgery
n=366
Primary tumor reductive surgery
n=552
P value
Estimated blood loss, mL (median (range))300 (15–4600)500 (0–8000)<0.001
Intraoperative transfusion*0.001
 Yes108 (31.0)180 (42.4)
 No241 (69.1)245 (57.7)
Total operative time, minutes (median (range))185 (28–481)228 (37–819)<0.001
Tumor residual†0.005
 >1 cm, suboptimal65 (18.0)110 (22.2)
 >0.5 cm, <1 cm, optimal61 (16.9)94 (19.0)
 <0.5 cm, optimal45 (12.4)89 (18.0)
 No gross disease, optimal191 (52.8)203 (40.9)
  • *Missing data from 144 patients.

  • †Missing data from 60 patients.