Table 2:

Summary of bone mineral density findings in patients with GM1 gangliosidosis.

Site	Number	Mean age	Mean BMD (Z-score)	Standard error of mean	P-value
Lumbar spine	16	15y 9m	−2.1	0.5	0.0013
Femoral neck	15	15y 5m	−2.2	0.4	0.0001
Total hip	15	15y 5m	−1.8	0.4	0.0004
1/3 forearm	14	17y 0m	−0.4	0.3	0.2061
R1 femur	21	11y 0m	−2.5	0.4	< 0.0001
R2 femur	21	11y 0m	−2.1	0.3	< 0.0001
R3 femur	21	11y 0m	−2.0	0.2	< 0.0001