Surgical experience |
Discipline of Initial surgeon |
Gynecologic oncologist | 1.00 (ref) |
Obstetrician/gynecologist† | 0.73 (0.64–0.83) |
General surgeon† | 1.26 (1.03–1.54) |
Other | 0.90 (0.51–1.59) |
Surgeon procedure volume |
≥ 10 | 1.00 (ref) |
3–9† | 0.73 (0.62–0.86) |
1–2 | 0.92 (0.79–1.06) |
Hospital procedure volume |
≥ 100 | 1.00 (ref) |
16–99 | 1.05 (0.84–1.31) |
1–15 | 0.91 (0.72–1.15) |
Hospital type |
Centre with gynecologic oncologist | 1.00 (ref) |
Other regional cancer or teaching centre | 0.74 (0.55–1.00) |
Remaining centres† | 0.87 (0.75–0.99) |
Quality indicator |
Adequate | 1.00 (ref) |
Inadequate | 1.16 (0.89–1.52) |
Undefined† | 1.87 (1.48–2.37) |
Surgery type |
Elective | 1.00 (ref) |
Emergency v. elective | 0.85 (0.59–1.24) |
Urgent v. elective† | 1.40 (1.12–1.75) |
Days from admission to surgery (continuous variable)† | 1.06 (1.04–1.08) |
Postsurgical management |
Treatment subsequent to surgery |
Surgery alone | 1.00 (ref) |
Surgery + CT† | 1.41 (1.21–1.66) |
Surgery + RT† | 0.37 (0.21–0.69) |
Surgery + CT + RT† | 0.46 (0.29–0.76) |
Patient |
Patient age, yr |
≥ 70 | 1.00 (ref) |
60–69† | 0.75 (0.63–0.90) |
18–59† | 0.54 (0.46–0.65) |
Charlson comorbidity score ≥ 2 v. 0–1† | 1.95 (1.42–2.58) |
Cancer history, yes v. no | 1.00 (0.78–1.29) |
Rural residence, yes v. no | 0.93 (0.78–1.11) |
Income quintile |
First quintile | 1.00 (ref) |
Second quintile | 0.99 (0.80–1.23) |
Third quintile | 0.89 (0.69–1.13) |
Fourth quintile | 0.95 (0.77–1.17) |
Fifth quintile | 0.93 (0.75–1.16) |
Disease |
Stage at initial surgery |
1 | 1.00 (ref) |
2† | 2.48 (1.85–3.33) |
3† | 7.62 (6.06–9.58) |
4† | 12.72 (9.21–17.62) |
Tumour grade |
Poor/undifferentiated | 1.00 (ref) |
Well differentiated† | 0.25 (0.19–0.32) |
Moderately differentiated† | 0.68 (0.57–0.79) |
Not stated† | 0.76 (0.63–0.92) |