Table 3.

Multivariate analysis adjusting gender and age of independent factors in Jin’s model.

		Internal validation set			External validation set
		OR	0.95 CI	Adjusted P	OR	0.95 CI	Adjusted P
Montreal classification
E2 vs. E1
WBC		1.310	1.061–1.617	0.012	1.711	1.376–2.128	< 0.001
RDW-CV		1.481	1.012–2.168	0.043	2.219	1.486–3.314	< 0.001
E3 vs. E1
LYMPH%		0.933	0.888–0.981	0.007	0.922	0.890–0.955	< 0.001
EO		82.632	1.644–4152.692	0.027	395.343	18.531–8434.143	< 0.001
Severity
Mayo score
WBC	Remission/mild	1
	Moderate	1.175	1.046–1.319	0.006	1.364	1.196–1.566	< 0.001
	Severe	1.571	1.321–1.869	< 0.001	1.446	1.253–1.669	< 0.001
HCT	Remission/mild	1
	Moderate	0.875	0.820–0.934	< 0.001	0.944	0.898–0.993	0.026
	Severe	0.725	0.646–0.813	< 0.001	0.860	0.810–0.914	< 0.001
Mayo endoscopic score
NEUT				0.140	1.200	1.023–1.047	0.025
HCT		0.902	0.847–0.960	0.001	0.904	0.843–0.971	0.005
DUBLIN score
WBC		1.149	1.039–1.271	0.007	1.668	1.384–2.011	< 0.001
RBC		0.274	0.146–0.512	< 0.001	0.437	0.249–0.765	0.004

E2 vs. E1 presents distinguish left-sided from proctitis, E3 vs. E1 presents distinguish extensive from proctitis.

CI confidence interval, CV coefficient of variation, DUBLIN degree of ulcerative colitis burden of luminal inflammation, HCT haematocrit, HGB haemoglobin, NEUT neutrophil, OR odds ratio, RBC red blood cell, RDW red cell distribution width, WBC white blood cell.