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A comparison of conventional and retrospective measures of change in symptoms after elective surgery
BACKGROUND: Measuring change is fundamental to evaluations, health services research and quality management. To date, the Gold-Standard is the prospective assessment of pre- to postoperative change. However, this is not always possible (e.g. in emergencies). Instead a retrospective approach to the m...
| Autores principales: | , , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2011
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3083321/ https://www.ncbi.nlm.nih.gov/pubmed/21481271 http://dx.doi.org/10.1186/1477-7525-9-23 |