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Table 4 Categories of 5-D itch scale compared to numerical rating scale categories

From: Transformation of 5-D itch scale and numerical rating scale in chronic hemodialysis patients

n (%) Numerical rating scale
No pruritus
(0)
n = 100
Mild
(1–3)
n = 133
Moderate
(4–6)
n = 106
Severe
(7–8)
n = 39
Very severe
(≥9)
n = 30
5-D itch scale ≤8 n = 141 99 (70.2) 36 (25.5) 5 (3.5) 1 (0.7) 0 (0)
9–11 n = 110 1 (0.9) 72 (65.5) 27 (24.5) 7 (6.4) 3 (2.7)
12–17 n = 109 0 (0) 25 (22.9) 65 (59.6) 15 (13.8) 4 (3.7)
18–21 n = 32 0 (0) 0 (0) 9 (28.1) 13 (40.6) 10 (31.3)
≥22 n = 16 0 (0) 0 (0) 0 (0) 3 (18.8) 13 (81.2)