Clinical Presentation of Klinefelter's Syndrome: Differences According to Age

Table 1

Karyotypes found in the 98 patients of this study.

Karyotype	𝑛	%
Pure lineage	86	87.76
47,XXY	82	83.67
48,XXXY	1	1.02
48,XXYY	3	3.06
Mosaicisms	12	12.24
47,XXY/46,XY	7	7.14
47,XXY/48,XXYY	2	2.04
47,XXY[4]/48,XXXY[2]/46,XY[44]	1	1.02
49,XXXXY[44]/48,XXXY[6]	1	1.02
47,XXY[36]/48,XXXY[1]/46,XX[1]/46,XY[2]	1	1.02