Table 8.

CHAQ mean scores for the patient and healthy groups

CHAQ	Mean (SD)		Differences among mean scores	p value*
	Healthy (n = 314)	Patient (n = 96)
Dressing	0.34 (0.66)	2.53 (0.79)	2.19	0.00
Arising	0.01(0.13)	1.62 (1.17)	1.61	0.00
Eating	0.16 (0.42)	2.18 (0.92)	2.02	0.00
Walking	0.00 (0.00)	2.03 (1.04)	2.03	0.00
Hygiene	0.08 (0.32)	2.28 (0.82)	2.20	0.00
Reach	0.10 (0.31)	2.15 (0.89)	2.05	0.00
Grip	0.08 (0.35)	1.97 (1.08)	1.89	0.00
Activities	0.20 (0.47)	2.56 (0.73)	2.36	0.00
Disability Index	0.12 (0.23)	2.16 (0.72)	2.04	0.00
Evaluation of pain	0.02 (0.20)	0.42 (0.65)	0.40	0.00
Evaluation of overall well-being	0.01 (0.07)	0.53 (0.62)	0.52	0.00

* Student t test

SD = Standard deviation