Blood component quality sampling: the use of characteristic curve scheme
10.13303/j.cjbt.issn.1004-549x.2021.02.025
- VernacularTitle:血液成分质量抽检特征曲线方案探讨
- Author:
Peng LI
1
;
Min ZHAGN
1
;
Yi ZENG
1
;
Zheng YANG
1
Author Information
1. Yichang Central Blood Station, YiChang 443005, China
- Publication Type:Journal Article
- Keywords:
blood components;
quality sampling inspection;
sampling scheme;
OC curve
- From:
Chinese Journal of Blood Transfusion
2021;34(2):185-187
- CountryChina
- Language:Chinese
-
Abstract:
【Objective】 To explore the optimal sampling scheme for functional indexes of blood components, so as to ensure the accuracy of sampling. 【Methods】 The operation characteristic curves of 5 sampling schemes as (4, 1), (6, 1), (8, 2), (10, 2) and (12, 3) were drawn based on the characteristic curve theory of sampling inspection, the discriminability of those 5 sampling schemes was compared, and the risk of misjudgment and omission of sampling schemes was analyzed. 【Results】 The discriminability of 5 sampling schemes from high to low were (10, 2), (6, 1), (12, 3), (8, 2) and (4, 1), ; the operation characteristic curves of scheme (10, 2) were in basic concordance with (6, 1), (12, 3) and (8, 2) as the percent defective was <0.25. The risk of misjudgment of the 5 sampling schemes was low, and the risk of omission was high in scheme (4, 1)(0.738, 3), and low in (10, 2) and (6, 1) (0.525 6 and 0.533 9, respectively). 【Conclusion】 On the premise of strictly controlling the process of blood collection and supply and ensuring the quality of blood preparations, the sampling scheme (4, 1) can effectively monitor the stability of the whole process. However, for blood preparations with high nonconforming rate, sampling scheme (6, 1) or (10, 2) was recommended as the sampling amount should be elevated appropriately.
