Table 6.

Odds ratios and their 95% confidence intervals univariate logistic regressions for late presentation.

Variable	Odds ratio (OR)	95% Confidence interval	p-value
Age	1.03	[1.03–1.04]	< 0.001
Sex
Male (reference group)	–	–	< 0.001
Female	0.49	[0.40–0.61]
Country of origin
Foreign-born (reference group)	–	–	–
Spanish born	2.08	[1.60–2.71]	< 0.001
Origin of referral
Primary care (reference group)	–	–	–
Other specialty in the same centre	1.33	[1.00–1.77]	0.046
GI specialist from another centre	1.41	[1.02–1.94]	0.034
Other specialist from another centre	1.48	[0.89–2.44]	0.124
Other	1.16	[0.88–1.52]	0.271
Unknown	1.56	[1.12–2.17]	0.008

GI gastrointestinal.