Table 5

Comparisons of the parameters of the IAHG scoring system among patients with chronic liver diseases* (n = 423), AIH/overlap syndromes (n = 10) and patients with coincidence of AIH and other liver disease (n = 14).

Characteristics
Patients with liver diseases* no. of patients (%)
Patients with AIH/overlap syndromes no. of patients (%)
Patients with coincidence of AIH and other liver disease no. of patients (%)
P value

Gender




     Female
231 (54.6)
5 (50)
7 (50)
NS
     Male
192 (45.4)
5 (50)
7 (50)

ALP/ALT ratio




     Positive: score +2
338 (79.9)
8 (80)
12 (85.7)
NS
     Negative: score 0, -2
85 (20.1)
2 (20)
2 (14.3)

Serum globulin or IgG above normal




     Positive (score ≥ 1)
202 (47.8)
7 (70)
10 (71.4)
NS
     Negative (score 0)
221 (52.2)
3 (30)
4 (28.6)

ANA, SMA or anti-LKM




     Positive (titre ≥ 1:40)
335 (79.2)
9 (90)
14(100)
NS
     Negative
88 (20.2)
1 (10)
0

AMA




     Positive (titre ≥ 1:40)
49 (11.6)
4 (40)
0
0.009**
     Negative
374 (88.4)
6 (60)
14(100)

Hepatitis viral markers




     Yes
216 (51.1)
0
8 (57.1)
0.005**
     No
207 (48.9)
10 (100)
6 (42.9)

History of illicit drug use




     Yes
25 (5.9)
0
0
NS
     No
398 (94.1)
10 (100)
14 (100)

Average alcohol intake




     <25 g/day
325 (76.8)
10 (100)
11 (78.6)
0.013**
     >60 g/day
98 (23.2)
0
3 (21.4)

Histological score




     Positive (score > 0)
58 (13.7)
3 (30)
10 (71.4)
<0.001**
     Negative (score ≤ 0)
365 (86.3)
7 (70)
4 (28.6)

Aggregate histological score (mean ± SD)
-4± 3.3
-2.1± 4.4
2.14± 1.7
<0.001***
Other autoimmune disease




     Yes
24 (5.7)
5 (50)
2 (14.3)
<0.001**
     No
399 (94.3)
5 (50)
12 (85.7)

Aggregate AIH score (mean ± SD)
2.5 ± 4.23
9.3 ± 4.8
10.5 ± 3.7
<0.001***

Abbreviations are same as in text; NS: not statistically significant; SD: standard deviation; *Excluding AIH patients (n = 43) and patients with coincidence of AIH and any kind of liver disorder (n = 24); **Total x square (comparison amongst the three groups of patients; for statistical significance between groups see text of results; subheading Comparison between groups, second paragraph); ***Kruskal-Wallis test (comparison amongst the three groups of patients; for statistical significance between groups see text of results, subheading Comparison between groups, second paragraph).

Papamichalis et al. Journal of Autoimmune Diseases 2007 4:3   doi:10.1186/1740-2557-4-3