Characteristics
|
IDA
|
Control
|
p-value
|
---|
No.
|
2957
|
11828
| |
Age (years)
|
10.59 ± 6.02
|
10.59 ± 6.02
| |
Sex, N (%)
| | | |
Male
|
1060 (35.8)
|
4240 (35.8)
| |
Female
|
1897 (64.2)
|
7588 (64.2)
| |
Associated diseases, N (%)
| | | |
Schizophrenia
|
8 (0.3)
|
14 (0.1)
|
0.063
|
Unipolar depressive disorder
|
48 (1.6)
|
66 (0.6)
|
<0.001
|
Bipolar disorder
|
13 (0.4)
|
7 (0.1)
|
<0.001
|
OCD
|
4 (0.1)
|
8 (0.1)
|
0.274
|
Anxiety disorder
|
45 (1.5)
|
80 (0.7)
|
<0.001
|
ASD
|
24 (0.8)
|
32 (0.3)
|
<0.001
|
ADHD
|
84 (2.8)
|
207 (1.8)
|
<0.001
|
Tic disorder
|
23 (0.8)
|
56 (0.5)
|
0.044
|
Delayed development
|
154 (5.2)
|
278 (2.4)
|
<0.001
|
Mental retardation
|
75 (2.5)
|
114 (1.0)
|
<0.001
|
-
IDA iron deficiency anemia, OCD obsessive-compulsive disorder, ASD autistic spectrum disorder, ADHD attention-deficit and hyperactivity disorder.