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Table 3 Comparison between AIH patients with and without associated AIT

From: Prevalence of autoimmune thyroiditis among children with autoimmune hepatitis

Parameters

Patients without AIT N = 48

Patients with AIT N = 10

Total P-value

Detailed P-value

Sex: N (%)

 Females

33 (68.7)

8 (80)

0.48

 

 Males

15 (31.3)

2 (20)

Age in years; mean ± SD

11 ± 4.7

12.5 ± 3.5

0.37

 

Age of onset in years; mean ± SD

6.6 ± 4.1

8.3 ± 3.3

0.22

 

Mode of presentation: N (%)

 Acute hepatitis

24 (50)

7 (70)

0.69

0.23

 Insidious onset

7 (14.6)

1 (10)

0.69

 Acute liver cell failure

10 (20.8)

1 (10)

0.42

 Complications of chronic liver disease

7 (14.6)

1 (10)

0.69

Symptoms & signs of thyroid affection

 Goiter

0 (0)

1 (10)

0.027*

 

 Impaired school performance

12 (25)

6 (60)

0.03*

 

 Hyperthermia

0 (0)

1 (10)

0.027*

 

 Heat intolerance

0 (0)

1 (10)

0.027*

 

Positive family history of AIH

3 (6.3)

1 (10)

0.54

 

Positive family history of AIT

2 (4.2)

1 (10)

0.44

 

Family history of ADs

8 (16.7)

3 (30)

0.32

 

Autoimmune disease association

18 (37.5)

3 (30)

0.65

 

Weight in Kg < 3rd percentile

6 (12.5)

0 (0)

0.23

 

Weight > 97th percentile

1 (2.1)

0 (0)

0.62

 

Height in cm < 3rd percentile

10 (20.8)

2 (20)

0.92

 

Height > 97th percentile

1 (2.1)

0 (0)

0.62

 

BMI kg/m2 < 3rd percentile

2 (4.2)

0 (0)

0.48

 

BMI > 97th percentile

1 (2.1)

1 (10)

0.23

 

Total Ig G at presentation

2755.5 ± 1208

3200.1 ± 440.7

0.41

 

Total Ig G at study enrollment

1819.7 ± 1208.7

1866 ± 805.7

0.66

 

Positive ANA at study enrollment

6 (12.5)

0 (0)

0.58

 

Positive ASMA at study enrollment

23 (47.9)

6 (60)

0.49

 

Positive anti-LKM antibody at study enrollment

7 (14.6)

0 (0)

0.19

 

Positive AMA at study enrollment

0 (0)

1 (10)

0.027*

 

Positive ANCA at study enrollment

4 (8.3)

1 (10)

1

 

Type of AIH:

 Seronegative

2 (4.2)

1 (10)

0.35

0.42

 Type I

32 (66.7)

8 (80)

0.42

 Type II

14 (29.2)

1 (10)

0.19

Remission at the time of the study

26 (54.2)

4 (40)

0.42

 
  1. Chi Square, Mann Whitney and independent sample t tests are used
  2. ADs Autoimmune diseases, AIH Autoimmune hepatitis, AIT Autoimmune thyroiditis, AMA anti-mitochondrial antibodies, ANA anti-nuclear antibody, ANCA anti-neutrophil cytoplasmic antibodies, Anti-LKM-1 anti-liver kidney microsomal type 1 antibody, ASMA anti-smooth muscle antibody, BMI Body mass index, IgG immunoglobulin G, SD Standard deviation, T3 Triiodothyronine, T4 Tetraiodothyronine, TG Thyroglobulin, TPO thyroid peroxidase, TSH Thyroid stimulating hormone
  3. P value is significant at level < 0.05 
  4. “*” Significant