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Table 1 Difficulty and equivalence of item translation of the Spanish Patient-Rated Wrist Evaluation (PRWE) as rated by four translators

From: The Spanish version of the Patient-Rated Wrist Evaluation outcome measure: cross-cultural adaptation process, reliability, measurement error and construct validity

Spanish PRWE

Difficulty of translationa

Equivalence of translationb

Mean (range)

Mean (range)

Pain

 Item 1

7.5 (5–10)

94.0 (90–96)

 Item 2

3.8 (0–5)

98.4 (95–100)

 Item 3

5.0 (0–10)

100 (100–100)

 Item 4

2.5 (0–5)

91.4 (90–95)

 Item 5

0.0 (0.0)

97.0 (95–100)

Function - Specific activities

 Item 6

6.3 (5–10)

100 (100–100)

 Item 7

13.8 (5–30)

86.3 (85–90)

 Item 8

5.0 (0–20)

96.3 (95–100)

 Item 9

11.3 (5–20)

88.8 (80–95)

 Item 10

2.2 (0–5)

97.5 (95–100)

 Item 11

0 (0–0)

100 (100–100)

Function - Usual activities

 Item 12

0 (0–0)

95.0 (90–100)

 Item 13

0 (0–0)

96.3 (95–100)

 Item 14

3.8 (0–5)

97.5 (90–100)

 Item 15

1.3 (0–5)

98.9 (95–100)

  1. aScale range 0 (no difficulty) to 100 (severe difficulty)
  2. bScale range 0 (no equivalence) to 100 (complete equivalence)