Table 2.

BMI and AR-CAG repeat length in patients with spinal and bulbar muscular atrophy sorted by sonographic echogenicity.

	Grade of liver echogenicity: 0-1	Grade of liver echogenicity: > 1	P-value
N.	12	12
BMI (kg/m2)	24.2 ± 3.5	28.3 ± 3.5	< 0.01
AR-CAG repeat lenght	46 ± 4	49 ± 7	n.s.
Disease duration (years)	12.8 ± 3.3	12.6 ± 3.5	n.s.

BMI: body mass index; AR: androgen receptor.