Table 3.

Results of the Passing–Bablok Regression and Bland–Altman Analyses of RBC, WBC, and EPI for the Three Methods

						Limits of agreementc
Method y	Method x	Slope	Intercept (counts/μl)	r a	Biasb (counts/μl)	Low (counts/μl)	High (counts/μl)
RBC
Manual	cobas u 701	1.418	1.525	0.867	14.2	−362.0	390.4
Manual	UF‐1000i	0.968	−1.742	0.839	5.1	−329.0	339.1
cobas u 701	UF‐1000i	0.772	−2.547	0.725	−9.1	−298.4	280.2
WBC
Manual	cobas u 701	1.250	0.000	0.893	15.3	−89.9	120.5
Manual	UF‐1000i	1.004	−0.912	0.928	−0.7	−137.0	135.6
cobas u 701	UF‐1000i	0.823	−0.910	0.880	−16.0	−119.3	87.4
EPI
Manual	cobas u 701	2.291	−0.008	0.867	17.5	−72.7	107.6
Manual	UF‐1000i	1.500	−2.850	0.710	11.2	−88.1	110.5
cobas u 701	UF‐1000i	0.643	−1.104	0.663	−6.3	−47.3	34.7

r, Spearman's correlation coefficient.

^a P < 0.01.

^bMean difference between x and y.

^cLimits of agreement = bias ± 1.96 SD