Time-dependent post mortem changes in the composition of intestinal bacteria using real-time quantitative PCR

Table 4 The total amount of bacterial DNA in fecal samples

			N	ng/g median*	25^th-75^th	p-value¹⁾	p-value²⁾
Healthy volunteers	Stool	Control	7	26	9.2-36.7
Autopsy cases	Rectum	1-3 days	18	8	2.0-53.6
		4-5 days	21	8	1.7-41.4
		>5 days	20	42	12.0-124.2	0.044	0.023
Autopsy cases	Cecum	1-3 days	19	51	13-3-94.1
		4-5 days	21	68	5.1-194.7
		>5 days	21	48	6.5-113.6		0.982

*1 ng/g corresponds to 4.8x10¹⁰ colony forming units using E. coli as a standard. P-values (over the groups) for ¹⁾healthy volunteers and autopsy cases, ²⁾autopsy cases only.
25^th -75^th interquartile range. Non-parametric median, Kruskal-Wallis-test comparisons over the groups.

ISSN: 1757-4749