Table 1. Overview of outcome measures on the questionnaire.

Outcome measure	Scale
Pain on ambulation	NRS 0–10*1
Maximum pain intensity since surgery	NRS 0–10
Minimum pain intensity since surgery	NRS 0–10
Is pain interfering with your mobility or movement?	Yes/No
Are you experiencing pain when you cough or breathe deeply?	Yes/No
Were you woken up by pain last night?	Yes/No
Is pain interfering with your mood?	Yes/No
Have you felt very tired since your surgery?	Yes/No
Have you felt nauseous since your surgery?	Yes/No
Have you vomited since your surgery?	Yes/No
Would you have liked to have received more pain medication?	Yes/No
How satisfied are you with your pain treatment since surgery?	NRS 0–15*2

^*1 0 = no pain, 10 = most intense pain imaginable

^*2 0 = very unsatisfied, 15 = very satisfied