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Retrospective Study
©The Author(s) 2025.
World J Psychiatry. Oct 19, 2025; 15(10): 108844
Published online Oct 19, 2025. doi: 10.5498/wjp.v15.i10.108844
Table 4 Univariate predictors of sleep disorders, n (%)

Sleep-disturbed group (n = 61)
Non-sleep-disturbed group (n = 66)
χ2
P value
Gender4.2850.038
    Male23 (37.7)37 (56.1)
    Female38 (62.3)29 (43.9)
Age (years old)8.9610.030
    18-3010 (16.4)19 (28.8)
    31-4013 (21.3)22 (33.3)
    41-5024 (39.3)12 (18.2)
    > 5014 (23.0)13 (19.7)
Educational level0.7770.678
    Junior high school or below20 (32.8)23 (34.8)
    College, technical secondary school or junior high school23 (37.7)28 (42.4)
    University or above18 (29.5)15 (22.7)
Marital status0.4860.784
    Single21 (34.4)25 (37.9)
    Married28 (45.9)31 (47.0)
    Divorced or widowed12 (19.7)10 (15.2)
Monthly household income per capita (RMB)4.1580.041
    ≤ 500036 (59.0)27 (40.9)
    > 500025 (41.0)39 (59.1)
Etiology of laryngotracheal stenosis0.6470.958
    Congenital4 (6.6)3 (4.5)
    Traumatic36 (59.0)41 (62.1)
    Chemical injury2 (3.3)3 (4.5)
    Specific inflammation4 (6.6)3 (4.5)
    Undetermined15 (24.6)16 (24.2)
Cotton-Myer grading0.9770.807
    I8 (13.1)7 (10.6)
    II6 (9.8)9 (13.6)
    III32 (52.5)37 (56.1)
    IV15 (24.6)13 (19.7)
Number of prior surgeries9.9200.019
    None4 (6.6)10 (15.2)
    118 (29.5)30 (45.5)
    217 (27.9)16 (24.2)
    ≥ 322 (36.1)10 (15.2)
Type of tracheal tubes0.0340.984
    T-tube28 (45.9)31 (47.0)
    Metal tracheostomy tube25 (41.0)27 (40.9)
    Cuffed tracheostomy tube8 (13.1)8 (12.1)
    Duration of intubation (months)0.7750.679
    ≤ 619 (31.1)25 (37.9)
    6-1226 (42.6)27 (40.9)
    > 1216 (26.2)14 (21.2)
Anxiety27 (44.3)6 (9.1)20.391< 0.0001
Depression30 (49.2)9 (13.6)18.821< 0.0001


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