Table 3.

Univariate analysis of recurrence among ovarian endometriotic disease patients using Cox regression model

Variables	OR	95% CI	P
Age	0.749	0.401–1.398	0.364
< or ≥47 years
Gravidity times	0.912	0.465–1.788	0.789
≤ or >1
Parity times	1.481	0.519–4.229	0.463
≤ or >1
Menopause	0.327	0.044–2.442	0.276
Yes or no
Tumor diameter	1.109	0.599–2.052	0.742
< or ≥6 cm
CA125 (U/L)	1.477	0.712–3.060	0.295
Normal or not
Other benign disease	0.782	0.405–1.509	0.463
Yes or no
Endometrial disorders	1.276	0.927–1.757	0.135
Yes or no
Postoperative medication	2.087	1.093–3.985	0.026
Yes or no
Ovarian preservation	6.015	2.142–16.889	0.001
Yes or no
Uterine preservation	1.839	0.988–3.408	0.055
Yes or no
rAFS stage	1.551	0.788–3.052	0.204
I–II or III–IV

rAFS: Revised American Fertility Society classification system; OR: Odds ratio; CI: Confidence interval.