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. 2012 Jan;13(1):1–10. doi: 10.1631/jzus.B1100216

Table 3.

Clinical outcomes of ICSI

Group nTC nTE navga Pregnancy rateb (%)
Miscarriage rateb (%)
Clinical Chemical Ectopic Multiple
1 269 655 2.4±0.6 37.5 (101/269) 3.0 (8/269) 2.2 (6/269) 29.7 (30/101) 15.8 (16/101)
2 305 712 2.3±0.5* 33.1 (101/305) 1.6 (5/305) 1.6 (5/305) 26.7 (27/101) 15.8 (16/101)
3 490 1 137 2.3±0.5* 37.1 (182/490) 1.2 (6/490) 1.4 (7/490) 28.0 (51/182) 15.9 (29/182)
4 307 678 2.2±0.5Δ 41.0 (126/307) 2.6 (8/307) 2.3 (7/307) 31.7 (40/126) 12.7 (16/126)
5 155 334 2.2±0.5Δ 40.6 (63/155) 1.9 (3/155) 1.9 (3/155) 20.6 (13/63) 17.5 (11/63)
6 234 507 2.2±0.4Δ 40.2 (94/234) 1.7 (4/234) 2.1 (5/234) 37.2 (35/94) 12.8 (12/94)
7 71 173 2.4±0.6 46.5 (33/71) 2.8 (2/71) 0.0 (0/71) 36.4 (12/33) 15.2 (5/33)

n TC: number of transfer cycles; n TE: number of transferred embryos; n avg: average number of embryos transferred of a subject

a

Values are expressed as mean±SD

b

Pregnancy rates and miscarriage rate were compared by logistic regression

*

P<0.05: significantly lower than Group 1

Δ

P<0.05: significantly lower than Groups 1, 2, 3, and 7 (rank transform method)