Table 1

DNA quantity and quality of faecal material from OC-sensor (faecal immunochemical test) and Hemoccult II (guaiac faecal occult blood test)

Label	Test type	Date of the test at home	Bench time*	Days at ambient temperature†	DNA concentration (ng/μL)	Total DNA yield (ng)	DNA sizes agarose gel (kbp)
1	OC-sensor	22 January 2007	0	2	13.7	685	5–12
2	OC-sensor	Unknown	0	Unknown	5.2	260	5–12
3	OC-sensor	Unknown	0	Unknown	6.3	315	5–12
4	OC-sensor	9 October 2006	0	3	23.4	1170	5–12
6	OC-sensor	16 November 2006	0	4	18.0	900	5–12
7	Hemoccult II	4 October 2006	1	8	88.6	4430	5–12
8	Hemoccult II	7 October 2006	0	5	77.4	3870	5–12
9	Hemoccult II	3 January 2007	0	5	34.2	1710	5–12
10	Hemoccult II	2 January 2007	0	6	32.8	1640	5–12
11	Hemoccult II	29 December 2006	0	10	74.2	3710	5–12
12	Hemoccult II	29 December 2006	0	10	20.0	1000	2–8
13	Hemoccult II	28 December 2006	3	11	1.8	90	2–8
14	Hemoccult II	1 January 2007	3	7	4.2	210	0.1–0.5
15	Hemoccult II	1 January 2007	3	7	4.2	210	0.5–8
16	Hemoccult II	28 December 2006	3	11	10.4	520	Degraded
17	Hemoccult II	Unknown	3	Unknown	8.6	430	5–10
18	Hemoccult II	30 December 2006	3	9	8.9	445	Degraded

*After receiving the test until development in the lab.
†From collection of faeces by patient at home until development of the test in the lab.