Description Usage Arguments Details Value References Examples
The European Organization for Research and Treatment o Cancer quality of life questionnaire (EORTC QLQ-C30) is designed for use with a wide range of cancer patient populations, and is intended to be supplemented by tumour-specific questionnaire modules or supplements. (Scoring Manual)
1 | scoring_eorc30(data, items = 1:30, keep = TRUE, pct_valid = 0.5, digits = NULL)
|
data |
a |
items |
A character vector with the EORTC QLQ-C30 item names ordered from 1 to 30,
or a numeric vector indicating the column numbers of the EORTC QLQ-C30 items in |
keep |
Logical, whether to keep the single items and whether to return variables containing the number of non-missing items on each scale for each respondent. The default is TRUE. |
pct_valid |
A numeric value between > 0 and 1 indicating the percentage of non-missing items required for score calculations. The default is 0.5 (50%). |
digits |
Integer of length one: value to round to. No rounding by default. |
Number of items:
30
Item range:
Item 1 to 28: 1 to 4; Item 29 and 30: 1 to 7
Reverse items:
none
Score range:
0 to 100
Cut-off-values:
none
Minimal clinically important difference:
5 points (Osoba et al. 1998)
Treatment of missing values:
"If at least half of the items from the scale
have been answered, assume that the missing items have values equal
to the average of those items which are present for that respondent." (Scoring Manual)
The function returns 24 variables:
nvalid.gs:
Number of valid values of Global health status/QoL (MAX=2)
nvalid.pf:
Number of valid values of Physical functioning (MAX=5)
nvalid.rf:
Number of valid values of Role functioning (MAX=2)
nvalid.ef:
Number of valid values of Emotional functioning (MAX=4)
nvalid.cf:
Number of valid values of Cognitive functioning (MAX=2)
nvalid.sf:
Number of valid values of Social functioning (MAX=2)
nvalid.fa:
Number of valid values of Fatigue (MAX=3)
nvalid.nv:
Number of valid values of Nausea and vomiting (MAX=2)
nvalid.pa:
Number of valid values of Pain (MAX=2)
score.eortcc30.gs:
Global health status/QoL Score
score.eortcc30.pf:
Physical functioning Score
score.eortcc30.rf:
Role functioning Score
score.eortcc30.ef:
Emotional functioning Score
score.eortcc30.cf:
Cognitive functioning Score
score.eortcc30.sf:
Social functioning Score
score.eortcc30.fa:
Fatigue
score.eortcc30.nv:
Nausea and vomiting Score
score.eortcc30.pa:
Pain Score
score.eortcc30.dy:
Dyspnoea
score.eortcc30.in:
Insomnia
score.eortcc30.ap:
Appetite loss
score.eortcc30.co:
Constipation
score.eortcc30.di:
Diarrhoea
score.eortcc30.fi:
Financial difficulties
Scoring Manual https://www.eortc.org/app/uploads/sites/2/2018/02/SCmanual.pdf
Aaronson et al. (1993) https://doi.org/10.1093/jnci/85.5.365
Osoba et al. (1998) https://doi.org/10.1200/JCO.1998.16.1.139
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