TABLE 3.

Descriptive statistics for all variables

Factor	Variables	Mean ± SD	Kurtosis	Skewness	Range	Chronbach α
Pain	Three weeks postsurgery	37.5±19.9	−0.78	0.12	0–80
NLS	Total	77.7±87	3.22	1.48	0–460	0.92
	Motor neglect subscale	62.1±61.9	−0.75	0.61	0–220
	Cognitive neglect subscale	15.5±39.8	17.8	3.84	0–260
Motor function	Strength of knee extension	0.16±0.01	1.72	0.99	0.03–0.40
	Range of motion	107.9±17.2	2.31	−1.31	45–135
Sensory function	Joint position sense	6.8±2.8	2.27	1.13	2–18
	Two-point distance	47.5±6.6	3.21	1.24	36–78
Psychological factors	State-Trait Anxiety Inventory-1	29.3±9.9	5.01	1.97	20–74	0.95
	PCS Total	13±9.3	2.01	1.38	0–44	0.96
	PCS Rumination subscale	8.5±5.1	−0.33	0.46	0–20	0.99
	PCS Helplessness subscale	2.2±3.7	5.58	2.36	0–17	0.98
	PCS Magnification subscale	2.3±2.5	1.06	1.16	0–10	0.92
Pain	Six weeks postsurgery	26.7±20.9	0.45	0.94	0–90
NLS	Total	41.2±62.1	1.52	1.54	0–239	0.9
	Motor neglect subscale	34.5±51.6	0.45	1.31	0–180
	Cognitive neglect subscale	6.7±19.6	16.8	3.91	0–118
Motor function	Strength of knee estension	0.2±0.07	4.33	1.54	0.09–0.51
	Range of motion	113.9±15.6	2.09	−1.25	60–145
Sensory function	Joint position sense	5.4±1.9	0.24	0.69	2–10.3
	Two-point distance	44.7±6.8	2.24	1.06	32–72
Psychological factors	State-Trait Anxiety Inventory-1	26.6±9.2	5.27	2.09	20–65	0.94
	PCS Total	9.3±9.4	2.51	1.45	0–47	0.94
	PCS Rumination subscale	6.2±5.7	−0.85	0.61	0–20	0.95
	PCS Helplessness subscale	1.3±2.9	10.4	3.01	0–16	0.96
	PCS Magnification subscale	1.9±2.2	3.25	1.55	0–11	0.92

^**P<0.01;

^*P<0.05. NLS Neglect-like symptoms; PCS Pain Catastrophizing Scale