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Chronic respiratory patient control by multivariate charts

Florbela Correia (Escola Superior de Ciências Empresariais, Instituto Politécnico de Viana do Castelo, Viana do Castelo, Portugal)
Rui Nêveda (Centro Hospitalar do Alto Minho, Viana do Castelo, Portugal)
Pedro Oliveira (Departamento de Produção e Sistemas, Escola de Engenharia, Universidade do Minho, Guimarães, Portugal)

International Journal of Health Care Quality Assurance

ISSN: 0952-6862

Article publication date: 4 October 2011

Abstract

Purpose

This article seeks to explain how to monitor the chronic obstructive disease patient and control any complications so that timely treatment can be applied.

Design/methodology/approach

Control charts and statistical process control (SPC) theory were used on chronic respiratory patient follow‐up and control. Controlling several variables simultaneously, using univariate charts, can be misleading, more so when there are correlated variables, so multivariate and univariate control charts were studied.

Findings

One‐sided control charts are preferable when the aim is to detect changes in the mean solely in one direction. Thus, one‐sided, univariate and multivariate charts were built, which identified previously undetected out‐of‐control events.

Research limitations/implications

The study's main limitation is its retrospective nature. However, following‐up individual patients can highlight medical therapy effects.

Practical implications

The article concludes that control charts, in particular one‐sided ones, are a valuable tool for monitoring chronic respiratory patients, thus contributing to medical decision making.

Originality/value

The article highlights control chart application to chronic respiratory patient follow‐up, permitting a global view of patient evolution over time.

Keywords

Citation

Correia, F., Nêveda, R. and Oliveira, P. (2011), "Chronic respiratory patient control by multivariate charts", International Journal of Health Care Quality Assurance, Vol. 24 No. 8, pp. 621-643. https://doi.org/10.1108/09526861111174198

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited