Table 1: Karyotypes found in the 98 patients of this study.

Karyotype % 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