From: A re-evaluation of the scratch test for locating the liver edge
Difference with US
n (%)
With offset
Without offset
0 – 1 cm
14 (21%)
1.1 – 2 cm
11 (16%)
15 (22%)
2.1 – 3 cm
22 (33%)
> 3 cm
31 (46%)
16 (24%)