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Table 4 ICSI outcome according to the severity of the oligozoospermia

From: In cryptozoospermia or severe oligozoospermia is sperm freezing useful?

  Cryptozoospermia (group 1) n = 36 Very severe oligozoospermia (group 2) n = 50 Severe oligozoospermia (group 3) n = 83 P value (group 1 vs 2) P value (group 1 vs 3) P value (group 2 vs 3)
  Mean (total) IC 95% Mean (total) IC 95% Mean (total) IC 95%    
Women’s age (years) 31.7 ± 1.51 30.8 ± 1.13 31.6 ± 0.96 0.4 0.89 0.30
Men’s age (years) 34.0 ± 1.75 34.7 ± 1.71 34.7 ± 1.19 0.59 0.54 0.99
Sperm count (106/mL) 0.00028 ± 0.000092 0.0078 ± 0.0037 0.60 ± 0.070 0.00026* 2.5 × 10 -28* 5.2*10 -28*
Use of thawed sperm 2/36 (5.5%) 1/50 (2.0%) 2/83 (2.4%) 0.57 0.58 1
No of oocytes retrieved 10.17 (366) ± 1.95 11.30 (554) ± 2.33 10.51 (862) ± 1.27 0.47 0.77 0.56
No of oocytes injected 8.17 (294) ± 1.85 9.14 (448) ± 1.44 8.71 (723) ± 1.07 0.42 0.62 0.64
Fertilization rate 0.56 (165) ± 0.07 0.56 (236) ± 0.07 0.64 (455) ± 0.05 0.94 0.10 0.08
Cleavage rate 0.64 (200) ± 0.08 0.66 (283) ± 0.06 0.76 (541) ± 0.04 0.71 0.02* 0.02*
No of transferred embryos 1.31 (47) ± 0.22 1.40 (70) ± 0.16 1.37 (114) ± 0.14 0.49 0.61 0.80
No of frozen embryos 1.33 (48) ± 0.70 0.86 (43) ± 0.34 2.12 (176) ± 0.57 0.24 0.09 0.00031*
Pregnancy rate per ICSI cycle 0.19 (7) ± 0.13 0.32 (16) ± 0.13 0.23 (19) ± 0.09 0.19 0.68 0.25
Implantation rate 0.20 ± 0.14 0.24 ± 0.03 0.19 ± 0.09 0.68 0.90 0.49
Birth rate per ICSI cycle 0.14 (5) ± 0.11 0.18 (9) ± 0.11 0.23 (19) ± 0.09 0.61 0.26 0.50
  1. *Significant p values below 5%. (Student’s t test).