Table 1 HAKIR questionnaire 8 (HQ-8) over time in cases treated with open carpal tunnel release for carpal tunnel syndrome.

From: Occurrence of cold sensitivity in carpal tunnel syndrome and its effects on surgical outcome following open carpal tunnel release

HQ-8 items

Preoperative (n = 3,327)

3 months postoperative (n = 2,563)

12 months postoperative (n = 1,987)

P-value

Cold sensitivity

50 [10–79]

3 [0–30]a

4 [0–30]ns

< 0.0001

Weakness

50 [27–70]

29 [10–50]a

20 [0–40]c

< 0.0001

Stiffness

40 [10–60]

12 [1–34]a

10 [0–30]c

< 0.0001

Pain on load

57 [28–78]

30 [10–50]a

10 [0–40]c

< 0.0001

Pain on motion without load

40 [10–60]

10 [0–26]a

2 [0–20]b

< 0.0001

Pain at rest

40 [17–70]

3 [0–20]a

1 [0–20]ns

< 0.0001

Numbness/tingling in fingers

80 [60–90]

5 [0–30]a

10 [0–30]ns

< 0.0001

Ability to perform daily activities

50 [30–70]

15 [1–40]a

10 [0–30]c

 < 0.0001

  1. Numbers presented as median [IQR].
  2. Bold values indicate P-value < 0.05.
  3. ap < 0.0001 between preoperative and 3 months postoperative values.
  4. bp < 0.05 between 3 months postoperative and 12 months postoperative values.
  5. cp < 0.0001 between 3 months postoperative and 12 months postoperative values.
  6. ns non-significant, IQR interquartile range. Friedman’s two-way analysis adjusted with the Bonferroni correction for multiple testing was used for significance testing.
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