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Table 2 Patient histopathological characteristics

From: Relationship of genetic causes and inhibin B in non obstructive azoospermia spermatogenic failure

  Biopsy Non-biopsy Overall  
Hypospermatogenesis Maturation arrest Sertoli cell only
No 169 64 45 44 322  
Age (y) 27.78 ± 3.26 27.40 ± 3.29 30.33 ± 4.05 29.67 ± 4.09 29.83 ± 4.54 0.65(a)
Testis volumn (ml) 12.4 ± 4.3 10.7 ± 4.0 8.0 ± 1.4 1.5 ± 1.6 5.8 ± 5.4 <0.05(a)
FSH (mIU/ml) 8.01 ± 3.57 14.74 ± 3.57 34.02 ± 7.02 35.65 ± 6.61 18.02 ± 7.16 <0.05(a)
Free testosterone (pg/ml) 9.81 ± 1.73 8.69 ± 2.68 5.62 ± 1.73 2.55 ± 2.03 6.04 ± 3.06 <0.05(a)
Inhibin B (pg/ml) 86.96 ± 40.97 39.72 ± 5.91 14.73 ± 2.23 10.71 ± 3.23 46.01 ± 43.17 <0.05(a)
Abnormal karyotypes (%) 26(8.0) 23(7.1) 21(6.5) 42(13.0) 112(34.8) <0.05(b)
YCMD 13(4.0) 12(3.7) 15(4.7) 18(5.6) 58(18.0) <0.05(b)
  1. YCMD Y chromosome microdeletion
  2. a:1-way ANOVA; b: chi-square test