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. 2005 Jul;54(7):944–949. doi: 10.1136/gut.2004.045526

Table 3.

 Statistical analysis of the association between IS900 polymerase chain reaction results and clinical features in 100 Crohn’s disease patients

Factor n IS900 positive OR (95% CI) p Value
Sex 0.191
    Male 40 24 1
    Female 60 28 0.583 (0.26–1.30)
Duration of disease (y) 0.0392
    <15 74 43 1
    ⩾15 26 9 0.382 (0.15–0.95)
Age at diagnosis (y) (Vienna status) 0.322
    <40 (A1) 90 45 1
    ⩾40 (A2) 10 7 2.332 (0.61–11.35)
Location (Vienna status) 0.0466
    Upper GI (L4) 2 1 1
    Terminal ileum (L1) 42 17 1
    Ileocolon (L3) 35 20 1.926 (0.79–4.81)
    Colon (L2) 21 14 2.889 (1.0–8.99)
Behaviour (Vienna status) 0.487
    Stricturing (B2) 22 10 1
    Penetrating (B3) 78 42 1.400 (0.54–3.69)
Perianal disease 0.0394
    Yes 33 22 2.466 (1.05–6.05)
    No 67 30 1
Granuloma 0.321
    Yes 49 23 0.671 (0.30–1.47)
    No 51 29 1
Corticosteroids 0.0097
    Yes 76 34 0.270 (0.09–0.72)
    No 24 18 1

OR (95% CI), odds ratio (95% confidence interval).

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