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Table 2 Baseline characteristics and ICSI outcomes

From: Impact on ICSI outcomes of adding 24 h of in vitro culture before testicular sperm freezing: a retrospective study

  ICSI with D0 or D1 Spz in all couples ICSI with D0 and D1 Spz among the same couples
D0 D1 p value D0 D1 p value
No. cycles 34 18   4 8  
Female age (y) 31.1 32.4 0.931 33.0 35.4 0.555
Male age (y) 38.7 38.1 0.658 35.0 36.6 0.801
Etiology of infertility: Male factor only (%) 64.7 61.1 0.798 75.0 50.0 0.576
No. collected oocytes (mean No oocyte/woman) 326 (9.6) 195 (10.8) 0.325 41 (10.3) 105 (13.1) 0.549
No. injected oocytes 269 130   32 70  
No. fertilized oocytes (%) 159 (59.1) 74 (56.9) 0.678 26 (81.3) 37 (52.9) 0.006
No. embryos (%) 186 (69.1) 82 (63.1) 0.226 29 (90.6) 44 (62.9) 0.004
No. “TOP” embryos (%) 73 (39.2) 37 (45.1) 0.368 15 (51.7) 13 (29.5) 0.057
No. fresh transfered embryos 63 27   8 13  
Fresh implantation rate (%) 23.8 11.1 0.167 37.5 15.4 0.248
Fresh pregnancy rate (%) 32.4 11.1 0.092 50.0 12.5 0.157
Fresh delivery rate (%) 29.4 5.6 0.045 50.0 12.5 0.157
No. cycles with cryopreserved embryos (%) 17 (50.0) 6 (33.3) 0.250 1 (75.0) 4 (37.5) 0.221
No. cryopreserved embryos (%) 66 (35.5) 23 (28.0) 0.234 13 (44.8) 10 (22.7) 0.047
No. cryopreserved embryos thawed and transfered 35 23   1 10  
Cumulated implantation rate (%) 21.6 9.8 0.102 40 17.6 0.201
Cumulated pregnancy rate (%) 29.4 12.5 0.092 60 16.7 0.074
Cumulated delivery rate (%) 27.5 8.3 0.049 60 16.7 0.074
  1. No Number of, y years
  2. Significant results in bold