Table 2.

 Crude and adjusted odds ratios (OR with 95% confidence interval (CI)) of having a positive PhiCal test, adjusting for sex, age, duration of sample storage before analysis, and month of sample collection

	No of screenees	Crude OR	95% CI	Adjusted OR	Adjusted 95% CI	p Value
Neoplasia status
No adenoma	1518	1.0	Reference	1.0	Reference
Any neoplasia	803	1.16	0.95–1.41	1.18	0.96–1.44	0.11
Low risk adenoma	592	1.10	0.88–1.37	1.13	0.90–1.41	0.30
High risk adenoma	195	1.16	0.83–1.62	1.16	0.82–1.63	0.40
Colorectal cancer	16	5.30	1.91–14.09	5.40	1.94–15.02	<0.01
Sex†	2321	1.01	0.83–1.22	1.01	0.83–1.22	0.94
Age (y)	2321	1.03	1.01–1.06	1.03	1.00–1.06	0.04
Sample storage‡	2321	1.03	1.01–1.05	1.02	1.00–1.05	0.03
Stool sampled§	2321	0.35	0.97–1.02	1.00	0.97–1.03	0.84

†Women as reference category.

‡Number of months of storage at −20°C of fresh frozen stool sample.

§Month of the year when stool was sampled.