1579 / 1726
EORTC / FACT QoL
Widely used for PRO symptom assessment
Answer categories not precise
No linear association with CTCAE grading
PRO-CTCAE
PRO assessment tool of the future
Compatible with CTCAE v4, covers 78 symptoms
Currently under development and validation
Frequency
never
rarely
occasionally
frequently
almost constantly
Severity of symptoms
none
mild
moderate
severe
very severe
Interference with
usual activities
not at all
a little
somewhat
quite a bit
very much
Answer categories
not at all
a little
(somewhat)
quite a bit
very much