Validation of the 5-D Itch Scale in Three Ethnic Groups and Exploring Optimal Cutoff Values Using the Itch Numerical Rating Scale

Table 2

Spearman correlation between Itch-NRS and WI-NRS with 5-D itch scale.

	Itch-NRS/5-D	WI-NRS/5-D
Asian	0.67	0.69
Black/African	0.64	0.63
Hispanic	0.67	0.68

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