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Title: Τα διαγράμματα ελέγχου στον εξωτερικό έλεγχο ποιότητας
Authors: Καρκαλούσος, Πέτρος
Item type: Journal article
Keywords: Medical laboratory technology;Analysts;External quality control;Quality control--Charts, diagrams, etc.;Τεχνολογία ιατρικών εργαστηρίων;Αναλυτές;Εξωτερικός έλεγχος ποιότητας;Διαγράμματα ελέγχου;Youden;Yundt;SDI;PI;Histogram;CVR - SD
Subjects: Medicine
Quality control
Ποιοτικός έλεγχος
Issue Date: 4-May-2015
Date of availability: 4-May-2015
Language: Greek
Citation: Καρκαλούσος, Π. (2007) Τα διαγράμματα ελέγχου στον εξωτερικό έλεγχο ποιότητας. "Ιατρική Επιθεώρηση ΙΚΑ", 11 (7), σ. 35-41. Διαθέσιμο στο: [Έγινε Πρόσβαση: 04/05/2015].
Journal: Ιατρική Επιθεώρηση ΙΚΑ
Type of Journal: With a review process (peer review)
Table of contents: The e xternal quality control is the statistical process which estimates the i na ccuracy of the analytical determinations. Inaccuracy is the distance between the laboratory’s values and a c ommon accepted value (target value). This distance ( control value ) must be between common accepted limits (control limits). The control limits and the target values are computed by statistical analysis and they are presented usually with specific control charts. External quality control programs get organized by a natio nal or international referral institution. This institution sends unknown control sample s to many laboratories. The laboratories analyze the control samples in their own analyzer s . Their results (control values) are mailed back to the referral institution. These control values c o me s from one or more different control samples which are analyzed only one time. If only one control sample is used then the most appropriate control charts are “ histogram ” and “ SDI’s charts” . If two control samples are used then “ Y ouden ” chart is considered the best. “Yundt” chart is used when the external quality control program uses at least three different control samples. If the control samples are analysed more than one time then PI and CVR - SDI diagrams can also be used
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
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