Table 2.

Rate of ovarian conservation stratified by stage and grade (%).

	Grade 1		Grade 2		Grade 3
	N*	(95% CI)	N*	(95% CI)	N*	(95% CI)
Stage IA
All patients	8615	8.3% (7.7–8.9%)	3627	5.0% (4.3–5.7%)	761	4.7% (3.4–6.5%)
<30 years	236	20.3% (15.7–25.9%)	96	12.5% (7.3–20.6%)	14	7.1% (1.3–31.5)
30–34 years	630	14.3% (11.8–17.2%)	25	8.8% (5.9–12.9%)	40	7.5% (2.6–19.9%)
35–39 years	1296	12.2% (10.5–14.1%)	556	7.2% (5.3–9.6%)	84	8.3% (4.1–16.2%)
40–44 years	2400	8.6% (7.6–9.8%)	940	4.4% (3.2–5.9%)	1784	4.2% (2.2–8.1%)
45–49 years	4053	5.3% (4.6–6.0%)	1784	3.7% (2.9–4.7%)	434	3.9% (2.5–6.2%)

^*Total patients (ovarian conservation and oophorectomy).