Table 1.

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

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

Numbers presented as median [IQR].

Bold values indicate P-value < 0.05.

^ap < 0.0001 between preoperative and 3 months postoperative values.

^bp < 0.05 between 3 months postoperative and 12 months postoperative values.

^cp < 0.0001 between 3 months postoperative and 12 months postoperative values.

ns non-significant, IQR interquartile range. Friedman’s two-way analysis adjusted with the Bonferroni correction for multiple testing was used for significance testing.