. 2002 Sep;68(9):4225–4232. doi: 10.1128/AEM.68.9.4225-4232.2002

TABLE 3.

DAPI and PI total cell counts, Erec482 probe hybridization counts, and Urobe63 probe hybridization counts for fecal samples from three individuals taken over a 4-week period, as determined by microscopy and flow cytometry

Individual	Time (weeks)	DAPI or PI counts			Erec482 counts			Urobe63 counts
Individual	Time (weeks)	Microscopy (10¹¹)^a	Flow cytometry (10¹¹)^a	Ratio^b	Microscopy (10¹⁰)^a	Flow cytometry (10¹⁰)^a	Ratio^b	Microscopy (10¹⁰)^a	Flow cytometry (10¹⁰)^a	Ratio^b
A	0	1.87 ± 0.17	2.40 ± 0.54	0.78	3.95 ± 0.63	2.80 ± 1.16	1.41	1.06 ± 0.17	0.55 ± 0.36	1.93
	2	3.27 ± 0.40	4.98 ± 0.52	0.66	4.32 ± 0.77	5.69 ± 0.73	0.76	1.06 ± 0.30	1.33 ± 0.31	0.79
	4	4.06 ± 0.47	5.20 ± 2.60	0.78	4.90 ± 1.22	5.16 ± 0.75	0.95	1.06 ± 0.25	0.72 ± 0.12	1.47
B	0	3.55 ± 0.41	4.72 ± 0.71	0.75	8.35 ± 1.00	7.16 ± 1.76	1.17	0.56 ± 0.07	0.88 ± 0.30	0.64
	2	3.42 ± 0.37	3.30 ± 0.59	1.04	5.93 ± 0.69	5.15 ± 1.45	1.15	0.88 ± 0.20	1.31 ± 0.37	0.67
	4	3.24 ± 0.33	3.15 ± 0.95	1.03	8.30 ± 1.90	4.98 ± 1.51	1.67	0.71 ± 0.17	0.75 ± 0.12	0.94
C	0	2.27 ± 0.41	2.06 ± 0.64	1.10	3.55 ± 0.58	4.45 ± 1.91	0.80	0.71 ± 0.25	0.57 ± 0.19	1.25
	2	2.43 ± 0.25	2.41 ± 0.97	1.00	2.75 ± 0.46	2.94 ± 0.91	0.94	0.38 ± 0.06	0.31 ± 0.01	1.22
	4	2.23 ± 0.45	2.24 ± 1.50	1.00	2.49 ± 0.62	2.96 ± 1.00	0.93	0.54 ± 0.15	0.41 ± 0.16	1.30

The values are means ± standard deviations and are expressed in cells per gram (dry weight) of feces.

The ratio was calculated by dividing the mean microscopic count by the mean flow cytometric count.