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Table 1 Patient characteristics, sperm and cryopreservation parameters

From: Successful pregnancies and healthy live births using frozen-thawed sperm retrieved by a new modified Hotchkiss procedure in males with retrograde ejaculation: first case series

Patient Age Etiology of RE Initial parameters in bladder sperm retrieval Number of straws Sperm parameters at post-thaw evaluation after Pentoxifylline addition
Total number of spz retrieved from the bladder (Million) Motile spermatozoa (%) Spermatozoa with forward progression (%) Motile spermatozoa/drop Spermatozoa with forward progression (%)
1 33 SCI 20 10 5 5 5-20 5-10
2 30 SCI 12,2 10 5 8 5-20 0
3 30 SCI 3,5 2 2 12 5-20 20
4 34 SCI 11,8 25 5 6 >100 30
5 48 SCI 1 10 0 4 No No
6 42 SCI 15,6 15 10 5 >100 30
7 54 TURP 0,1 60 10 8 20-100 20
8 39 SCI 0,5 10 5 7 5-20 5
9 31 D 2 30 10 6 20-100 60
10 37 SCI 1 5 0 6 <5 0
  1. RE retrograde ejaculation, SCI Spinal cord injury, TURP transurethral resection of prostate, D Diabetes, Spz spermatozoa, No No post-thaw evaluation performed