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Validity of Point-of-Care Testing with Mission Plus Hemoglobin in Detecting Anemia
oleh: S Maria Awaluddin, Rahama Samad, Noraida Mohd Kassim, Muslimah Mohd Yusoff, Mohd Aznuddin Abdul Razak, Chan Ying Ying, Norhafizah Sahril
Format: | Article |
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Diterbitkan: | International Medical Research and Development Corporation 2015-06-01 |
Deskripsi
Background: Point-of-care testing, POCT, was widely used to assess hemoglobin status before proceeding with the confirmation test. Our study aimed to assess the validity of Mission® Plus Hb in detecting hemoglobin levels in a general population compared with a standard laboratory hematology analyser as the gold standard. Methods: Two types of samples, capillary and venous blood, were collected from all respondents by trained nurses. Both blood samples were tested using Mission® Plus while the remaining venous blood in EDTA test tubes was sent to the reference laboratory. Results: A total of 622 respondents participated in this study, 75% of them females. The mean Hb tested from capillary blood using Mission® Plus Hb was 11.80±2.02g/dl. For venous blood, the mean Hb concentrations using Mission® Plus Hb and Sysmex XE-2100 hematology analyser were 12.16±1.84g/dl and 13.07±1.87g/dl, respectively. Sensitivity and specificity in detecting anemia from venous samples were 98.8% and 73.4% respectively. Positive Predictive Value (PPV) was 58.5%, while Negative Predictive Value (NPV) was 99.4%. Conclusion: The findings of moderate PPV should alert the programme managers to the importance of a confirmatory test following screening using Mission® Plus Hb.