Table 4 Assessment of clinical significance of bias in platelet count of whole blood or PRP between the candidate method PC100 platelet counter and comparative reference methods, Sysmex® XP-300 and Sysmex® XN-9000
From: Evaluation of the analytical performance of the PC100 platelet counter
Sample type | Compared methods | Reference method (X*(× 103/μL)) | Candidate method (Y*(× 103/μL)) | Bias (Y*-X*) | 95% CI |
|---|---|---|---|---|---|
Whole Blood | PC100 platelet counter vs. Sysmex XP-300 | 50 | 46.2 | −3.85 (−7.7%) | −9.87 to 0.50 (−19.7% to −0.3%) |
100 | 96.4 | −3.65 (− 3.6%) | −8.39 to − 0.28 (− 8.4% to − 0.3%) | ||
600 | 598.4 | −1.62 (0.3%) | − 12.99 to 8.04 (−2.2% to −4.7%) | ||
PC100 platelet counter vs. Sysmex XN-9000 | 50 | 43.9 | −6.13 (−12.3%) | −13.21 to −2.35 (26.4% to − 4.7%) | |
100 | 93.9 | −6.05 (− 6.1%) | − 11.82 to − 2.59 (− 11.8% to − 2.6%) | ||
600 | 594.7 | −5.26 (− 0.9%) | −18.63 to 10.68 (− 3.1 to 1.8%) | ||
PRP | PC100 platelet counter vs. Sysmex XP-300 | 250 | 251.6 | 1.56 (0.6%) | −10.32 to 12.32 (− 4.2 to 4.9%) |
3600 | 3432.5 | − 67.46 (−1.9%) | − 99.93 to − 30.17 (− 2.9% to − 0.9%) |