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Table 2 Number and percentage of ratings in each difference range compared to ultrasound (US)

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%) 14 (21%)
1.1 – 2 cm 11 (16%) 15 (22%)
2.1 – 3 cm 11 (16%) 22 (33%)
> 3 cm 31 (46%) 16 (24%)
  1. The offset is 2.43 cm.