Body composition
Body composition was assessed at the Endocrine and Metabolic unit at the Royal Adelaide hospital by dual-energy X-ray absorptiometry (DXA), (Norland DXA bone densitometer medical systems). . The accuracy of the whole body scan was within 2% for total soft tissue. For the whole body scan a 6.5x13mm resolution was used together with a scan speed of 260mm/sec. in the table below the coefficient of variation based on 3 scans of the same 14 subjects are outlined (manufacturer data).