Table 2.

Results of univariate and multivariable logistic regression analysis.

Characteristic	Univariate odds ratio [95% CI]	Multivariable odds ratio [95% CI]
Age [years]	0.99 [0.97, 1.02]	-
Extent [E3 vs E1/E2]	3.33 [1.40, 8.07]	2.91 [1.01, 8.31]
CRP [mg/l]	1.03 [1.01, 1.05]	1.02 [1.00, 1.04]
Haemoglobin [g/dl]	0.66 [0.47, 0.88]	0.76 [0.54, 1.06]
Endoscopic appearance [mild/moderate vs severe]	0.09 [0.02, 0.31]	0.11 [0.0, 0.67]
Histopathology [mild/moderate vs severe]	0.42 [0.17, 1.00]	1.04 [0.27, 4]

CI, confidence interval.