Total Positive HLA-G Positive Anti-Elastase Positive Anti-Cathepsin-G Positive Anti-lysozyme
N N % N % N % N %
Age group (years)
<40 17 4 23.5 8 47.1 8 47.1 1 5.9
40+ 21 14 66.7 16 76.2 13 61.9 1 4.8
P (Fisher's exact)   0.011   0.09[NS]   0.51[NS]   1[NS]  
Duration of the disease (years)
<5 28 9 32.1 19 67.9 18 64.3 2 7.1
5+ 10 9 90.0 5 50.0 3 30.0 0 0.0
P (Fisher's exact)   0.003   0.45[NS]   0.08[NS]   1[NS]  
[NS]: Not Significant.
Table 3: The effect of age and duration of the disease on the positivity of the four serological tests among UC patients.