Table 5. Logistic regression model for the prediction of (pre)-malignant disease.

Variable	Calculation	β	χ 2	P	Odds ratio (95% CI)
Intercept	—	−13.427	44.03	<0.001	—
LogMMP-9	Continuous	1.626	38.33	<0.001	5.09 (3.04, 8.51)
Age	Continuous	0.040	11.25	<0.001	1.04 (1.02, 1.07)
Sex	Female vs male	0.925	8.73	0.003	2.52 (1.37, 4.66)
Smoking history	Never vs ever	−0.731	4.87	0.027	0.48 (0.25, 0.92)
Abdominal pain	No vs yes	−0.718	4.72	0.030	0.49 (0.26, 0.93)
Weight loss	No vs yes	0.954	4.70	0.030	2.60 (1.10, 6.15)

Abbreviation: CI=confidence interval.

Adjusted R²=0.44.