Table 1 Comparison of sperm parameters between the two ejaculates of unexpected ICSI couples

Volume

2.00 (1.50,3.00)

1.0 (0.80,2.00)

<0.001

Concentration (million/mL)

14.65 (10.00,24.70)

21.70 (10.15,39.25)

0.038

Total sperm count (million)

35.05 (16.45,60.13)

22.50 (14.68,39.10)

0.009

Progressive motility (%)

13.00 (5.05,24.30)

21.55 (11.75,32.85)

0.001

Total progressive motile sperm count (million)

3.99 (1.34,8.19)

4.32 (1.45,9.50)

0.588

Morphology (%)

1.00 (1.00,2.00)

1.00 (1.00,3.00)

0.355

SDF

39.50 (26.00,59.00)

28.00 (17.00,42.00)

0.014

Concentration after swim-up (million/mL)

1.70 (0.95,2.50)

2.90 (1.05,5.40)

0.003

Progressive motility after swim-up (%)

69.10 (58.30,78.70)

73.10 (59.00,86.80)

0.003

Total progressive motile sperm count after swim-up (million)

0.67 (0.31,1.08)

1.04 (0.38,2.38)

< 0.001

Morphology after swim-up (million) (%)

1.0 0 (1.00,2.00)

1.50 (1.00,2.00)

0.112

SDF after swim-up (million)

8.00 (5.00,12.00)

5.00 (3.00,8.00)

0.005

Total progressive motile sperm count enough for IVF (%)

0/114 (0.0)

61/114 (53.5)

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