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Table 3 Scale for measuring change in the size of clinical lesion

From: SAVER: sodium valproate for the epigenetic reprogramming of high-risk oral epithelial dysplasia—a phase II randomised control trial study protocol

Change in lesion size

Code

≥ 75% decrease

3

50–74 % decrease

2

25–49% decrease

1

0–24% decrease or increase

0

25–49% increase

− 1

50–74% increase

− 2

≥ 75% increase

− 3