Genes Alleles
  CC
Median
(min-max)
CT
Median
(min-max)
TT
Median
(min-max)
C
Median
(min-max)
T
Median
 (min-max)
Duration 14(12-26) AB 28(12-39)A 27.5(12-39)B 18(12-39) 28(12-39)
Significance KW. c2=104.2,P≤0.001 Z=8.95,P≤0.001
Severity score 5(3-8) AB 10(4-15)A 10(4-14)B 5(3-15) 10(4-15)
Significance KW. c2=78.9,P≤0.001 Z=8.0,P≤0.001
Relapse number 1(0-5)AB 5(2-10)A 5(1-10)B 2(0-10) 5(1-10)
Significance KW. c2=109.3,P≤0.001 Z=9.4,P≤0.001
Dose (N& %):
<1 g
≥1 g
45(65.2)AB
24(34.8)
19(25.3)A
56(74.7)
8(23.0)B
26(76.5)
109(51.2)
104(48.8)
35(24.5)
108(75.5)
Significance c2=47.6,P≤0.001 c2=25.3,P≤0.001
Family history (N&%):  negative
positive
54(78.3)AB
15(21.7)
24(32.0)A
51(68.0)
8(23.5)B
26(76.5)
132(62.0)
81(38.0)
40(28.0)
103(72.0)
Significance c2=41.5,P≤0.001 c2=39.6,P≤0.001
A & B significant difference between the corresponding groups by multiple comparisons (χ2 for qualitative variables & Mann-Whitney for quantitative variables). KW=Krusskal-Wallis test, Z of Mann-Whitney test
Table 4: Variation of severity, duration, relapse, dose and family history according to genes & alleles.
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