Clinical study of quality of life of traumatic brain injury patients after decompressive craniectomy and related influencing factors

Table 2 Item characteristics

Scale	Item	Mean	SD	Skewness	Cronbach’s α
Scale	Item	Mean	SD	Skewness	If item removed
Cognition	Concentrate	72.86	17.02	−0.64	0.95
	Express yourself	74.76	19.76	−1.29	0.96
	Remember	73.33	17.08	−0.47	0.95
	Plan and solve problem	72.14	20.60	−1.26	0.95
	Decisions	70.95	19.03	−1.32	0.96
	Find way	74.28	21.50	−1.15	0.96
	Speed of thinking	69.76	18.24	−0.86	0.95
Self	Energy	71.43	18.81	−1.14	0.95
	Motivation	67.14	20.89	−0.86	0.95
	Self-esteem	70.95	21.69	−1.03	0.96
	Way you look	70.47	18.60	−0.98	0.96
	Achievements	65.95	20.25	−0.90	0.96
	Self-perception	69.29	19.07	−1.40	0.95
	Own future	69.29	17.42	−1.91	0.95
Autonomy	Independence	72.62	22.07	−1.09	0.96
	Get out and about	67.62	22.18	−0.90	0.96
	Domestic activities	71.67	23.27	−1.04	0.96
	Run personal finances	67.38	21.12	−0.93	0.96
	Participation	66.19	22.19	−0.50	0.96
	Social-leisure activities	67.86	21.00	−1.00	0.96
	In charge of life	69.29	22.54	−0.97	0.96
Social	Affection to others	75.00	18.01	−1.26	0.96
	Family members	77.62	18.96	−0.85	0.96
	Friends	73.10	17.23	−1.16	0.96
	Partner	66.35	17.01	−0.71	0.95
	Sex life	75.00	25.00	−1.49	0.96
	Attitude towards others	70.47	17.60	−1.08	0.96
Emotions	Loneliness	53.57	21.77	0.34	0.96
	Boredom	51.90	23.69	0.26	0.95
	Anxiety	53.81	18.91	0.15	0.95
	Depression	54.76	19.64	0.38	0.95
	Anger/aggression	56.90	24.12	−1.26	0.96
Physical	Slowness/clumsy	50.76	21.67	0.15	0.95
	Other injuries	53.57	20.64	0.25	0.96
	Pain	51.90	22.17	0.27	0.96
	See/hear	48.10	28.73	0.27	0.96
	TBI-effects	46.43	19.74	−0.22	0.96

ISSN: 2057-4967