TABLE 1.

Cycle characteristic by infertility diagnosis, all fresh nondonor IVF cycles 2000–2011.

	Primary diagnosis
	Endometriosis		Male factor
Characteristic	n	%	n	%	P value
Total	112,475		375,557
Age (y)					< .0001
<35	56,156	49.9	180,322	48.0
35–37	27,330	24.3	83,319	22.2
38–40	20,037	17.8	70,508	18.8
41–42	6,441	5.7	27,600	7.4
43–44	2,092	1.9	10,878	2.9
≥45	419	0.4	2,930	0.8
Race/ethnicity^a					< .0001
Non-Hispanic white	54,288	80.4	171,507	76.0
Non-Hispanic black	2,642	3.9	13,657	6.1
Asian/Pacific islander	6,142	9.1	22,199	9.8
Hispanic	4,414	6.5	17,880	7.9
Other	84	0.1	391	0.2
Concomitant diagnosis
Ovulatory dysfunction	9,951	8.9	47,387	12.6	< .0001
Tubal factor	21,198	18.9	37,391	10.0	< .0001
Diminished ovarian reserve	14,863	13.2	61,618	16.4	< .0001
No. of prior ART cycles					.0077
0	62,221	55.4	209,571	55.8
1	23,356	20.8	76,625	20.4
2+	26,820	23.9	89,091	23.7
No. of prior pregnancies					< .0001
0	59,921	53.3	198,509	52.9
1	30,747	27.4	98,867	26.4
2+	21,701	19.3	77,575	20.7
No. of prior spontaneous abortions					< .0001
0	80,761	72.0	281,045	75.2
1	21,866	19.5	65,906	17.6
2+	9,573	8.5	27,000	7.2
No. of prior preterm births					< .0001
0	110,110	98.2	366,005	98.0
1	1,873	1.7	6,608	1.8
2+	159	0.1	737	0.2
No. of prior full-term births					< .0001
0	88,712	79.0	284,526	76.0
1	20,678	18.4	71,211	19.0
2+	2,862	2.6	18,594	5.0
Mean maximum serum FSH (SD)^a	7.98	4.9	7.54	4.4	< .0001
Cycle history					< .0001
First IVF, no previous live birth	52,453	46.8	171,171	45.7
First IVF, ≥1 previous live birth	9,653	8.6	37,668	10.1
≥1 previous IVF, no previous live birth	34,627	30.9	107,960	28.9
≥1 previous IVF, ≥1 previous live birth	15,462	13.8	57,413	15.3
Stimulation protocol (only 2004+ data)^a					< .0001
Agonist standard	34,515	48.7	132,966	49.7
Agonist flare	9,057	12.8	29,472	11.0
Antagonist	21,788	30.7	84,912	31.7
Clomid ± FSH	1,015	1.4	3,336	1.3
FSH only	2,160	3.0	7,856	2.9
Unstimulated	611	0.9	2,759	1.0
Other	1,797	2.5	6,489	2.4
Mean total FSH dose (SD)^a	3,274.32	1,732.2	3,106.54	1,672.1	< .0001
Ovarian hyperstimulation					< .0001
Yes	1,187	1.1	4,929	1.3
No	111,287	98.9	370,625	98.7
Cycle cancellation total					< .0001
Before retrieval	14,474	12.9	37,936	10.1
Between retrieval and transfer	6,281	5.6	23,084	6.2
Not cancelled	91,720	81.6	314,537	83.8
Hospitalization	337	0.3	1,175	0.3	.4832

All missing <1% except race/ethnicity (39.9%), maximum serum FSH (25.5%), and mean FSH dose (3.7%).