𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Assessing quality of life in a randomized clinical trial: Correcting for missing data

✍ Scribed by Nina Gunnes; Taral G Seierstad; Steinar Aamdal; Paal F Brunsvig; Anne-Birgitte Jacobsen; Stein Sundstrøm; Odd O Aalen


Book ID
115008926
Publisher
BioMed Central
Year
2009
Tongue
English
Weight
624 KB
Volume
9
Category
Article
ISSN
1471-2288

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Incomplete quality of life data in rando
✍ Peter M. Fayers; Desmond Curran; David Machin 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 258 KB 👁 2 views

Missing data has been a problem in many quality of life studies. This paper focuses upon the issues involved in handling forms which contain one or more missing items, and reviews the alternative procedures. One of the most widely practised approaches is imputation using the mean of all observed ite

Incomplete quality of life data in rando
✍ D. Curran; G. Molenberghs; P. M. Fayers; D. Machin 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 217 KB 👁 2 views

Analysing quality of life (QOL) data may be complicated for several reasons, such as: repeated measures are obtained; data may be collected on ordered categorical responses; the instrument may have multidimensional scales, and complete data may not be available for all patients. In addition, it may

Statistical analysis of quality of life
✍ Andrea B. Troxel; Diane L. Fairclough; Desmond Curran; Elizabeth A. Hahn 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 255 KB 👁 3 views

We summarize issues that arise when considering quality of life (QOL) data in cancer clinical trials, especially those related to missing data. We describe different types of missing data mechanisms, and discuss ways of assessing and testing missing data mechanisms. A section on presentation of stud