Postoperative anxiety-depression in patients with spinal cord injury: Correlations with injury severity and sleep quality

Table 5 Univariate predictors of postoperative anxiety and depression in the spinal cord injury cohort, n (%)

Variable	Anxiety/depression (n = 77)	Non-anxiety/depression (n = 72)	χ2	P value
Age (years)			4.993	0.026
< 60	42 (54.55)	52 (72.22)
≥ 60	35 (45.45)	20 (27.78)
Sex			8.688	0.003
Male	62 (80.52)	42 (58.33)
Female	15 (19.48)	30 (41.67)
Illness duration (months)			7.150	0.008
< 12	25 (32.47)	39 (54.17)
≥ 12	52 (67.53)	33 (45.83)
Level of injury			0.635	0.728
Cervical spinal cord	20 (25.97)	22 (30.56)
Thoracic spinal cord	47 (61.04)	43 (59.72)
Lumbosacral spinal cord	10 (12.99)	7 (9.72)
Cause of injury			0.111	0.739
Traumatic SCI	57 (74.03)	55 (76.39)
Non-traumatic SCI	20 (25.97)	17 (23.61)
Academic background			9.312	0.002
Below senior high school	59 (76.62)	38 (52.78)
Senior high school or above	18 (23.38)	34 (47.22)
ASIA grading			5.711	0.017
A-B	36 (46.75)	20 (27.78)
C-D	41 (53.25)	52 (72.22)
PSQI (points)			5.027	0.025
< 13	34 (44.16)	45 (62.50)
≥ 13	43 (55.84)	27 (37.50)

SC: Spinal cord injury; ASIA: American Spinal Injury Association; PSQI: Pittsburgh Sleep Quality Index.