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Table 1 Comorbidity among children with selective mutism during the follow-up period

From: The impact of parental psychopathology and sociodemographic factors in selective mutism - a nationwide population-based study

 Cases
N (%)
Controls
N (%)
1.Any psychiatric or neurodevelopmental disorder594 (69.1)3766 (11.3)
a. Schizophrenia spectrum disorders27 (3.1)11 (0.3)
b. Affective disorders163 (19.0)94 (2.9)
Bipolar disorders: F30, F31)5 (0.6)9 (0.3)
Unipolar disorders: F32, F33, F34, F38, F39162 (18.8)89 (2.7)
c. Anxiety disorders143 (16.6)excluded
F40 Phobic anxiety disorders73 (8.5)excluded
F40.1 Social anxiety disorder47 (5.5)excluded
F41 Other anxiety disorders (excluding F41.2)74 (8.6)excluded
F42 Obsessive– compulsive disorder26 (3.0)excluded
d. Other neurotic and personality disorders139 (16.2)75 (2.3)
e. Substance abuse disorder23 (2.7)39 (1.2)
f. Attention deficit hyperactivity disorder51 (5.9)48 (1.5)
g. Intellectual disabilitya42 (4.9)14 (0.4)
h. Childhood emotional disorders198 (23.0)excluded
F93.0 Separation anxiety23 (2.7)excluded
F93.1 Childhood onset phobic and anxiety disorders22 (2.6)excluded
F93.2 Childhood onset social anxiety disorder46 (5.4)excluded
F93.3–9 Other childhood onset emotional and anxiety disorders140 (16.3)excluded
i. Conduct and oppositional disorders104 (12.1)28 (0.9)
j. Tic disorders12 (1.4)9 (0.3)
k. Learning and coordination disorders285 (33.1)161 (5.0)
F80 Specific developmental disorders of speech and language191 (22.1)84 (2.6)
F81 Specific developmental disorder of scholastic skills70 (8.1)57 (1.8)
F82 Specific developmental disorder of motor function44 (5.1)28 (0.9)
F83 Mixed specific developmental disorder78 (9.1)26 (0.8)
  1. aModerate and severe intellectual disability were excluded