TABLE 2.

Raw data for instrument precision, with measurements by the Partec Cyflow SL_3 and the BD FACSCalibur/Sysmex XT1800i

Sample
	Partec Cyflow SL_3						BD FACSCalibur/Sysmex XT1800i
	CD4 lymphocyte count			% of CD4 lymphocytes in whole blood			CD4 lymphocyte count			% of CD4 lymphocytes in whole blood
	Low	Medium	High	Low	Medium	High	Low	Medium	High	Low	Medium	High
1	88	483	1,016	7	30	34	92	472	1,055	8	32	35
2	91	486	961	8	31	33	87	470	1,043	8	32	35
3	85	491	1,005	7	30	34	89	482	1,070	8	33	35
4	94	463	1,018	8	29	34	92	506	1,073	8	34	36
5	94	470	1,067	8	30	35	87	499	1,064	8	34	35
6	93	493	1,037	8	30	34	92	466	1,059	8	31	35
7	92	484	1,034	8	30	34	105	456	1,084	9	31	36
8	86	476	996	7	29	34	84	479	1,036	7	32	34
9	96	466	986	8	29	33	96	464	1,057	8	31	35
10	92	469	1,012	8	29	34	94	478	1,057	8	32	35
Mean	91	478	1,013	7.7	29.7	33.9	92	477	1,060	8.0	32.2	35.1
SD	4	11	29	0.5	0.7	0.6	6	15	14	0.5	1.1	0.6
CV	3.99	2.25	2.90	6.27	2.27	1.67	6.41	3.25	1.32	5.89	3.53	1.62

^aSingle large preparations were made for each of the three samples and analyzed 10 consecutive times. SD, standard deviation.