Table 2 Phenotypic characteristics of men with NOA related to Klinefelter syndrome (n = 19) according to the testicular sperm extraction outcomes

Age at TESE (years) ¤

[median (IQR)]

30

(28–34)

29.5

(24-34.2)

30

(28–35)

Mean testicular volume (mL) ¤

[median (IQR)]

2.7

(2-3.5)

3.1

(1.9–4.3)

2.5

(2-3.3)

FSH (IU /L) ¤

[median (IQR)]

30.5

(18.9–36.7)

29.9

(18.3–34.8)

30.9

(21.8–36.9)

LH (IU /L) ¤

[median (IQR)]

12.4

(9.8–15.9)

11.7

(9.4–15.2)

12.4

(9.8–17)

Testosterone (ng/ml) ¤¤

[median (IQR)]

2.6

(1.7–3.6)

3

(2.8–4.5)

1.8

(1.2–3.6)

AMH (pmol/l) ¤¤

[median (IQR)]

2.3

(1.1-8.6)

8

(3–13)

1.7

(0.8–4.7)

AMH/Testosterone ¤¤ [median (IQR)]

0.14

(0.1–0.3)

0.3

(0.1–0.4)

0.1

(0.08–0.2)

Inhibin B (pg/ml) ¤¤

[median (IQR)]

8

(8–10)

8

(8–14)

8

(8–10)