Patient directed self management of pain (PaDSMaP) compared to treatment as usual following total knee replacement: study protocol for a randomized controlled trial

Table 1 Patient outcome measures time points

Patient outcomes	Baseline	Post-operative Day 1	Post-operative Day 2	Post-operative Day 3 or discharge, whichever is sooner	Post-operative 6 weeks
Pain VAS	x	Breakfast, lunch, supper	Breakfast, lunch, supper	Breakfast, lunch, supper	x
Pain VAS after mobilization		x	x	X
Satisfaction with pain levels¹	x	x	x	X	x
SIMS²				X	x
EQ-5D	x				x
OKS	x				x
Time to mobilization		x	x	X
Adverse events	x	x	x	X	x
Medication usage³	x	x	x	X	x
Health resource use questionnaire	x				x
Qualitative interviews^*					x

^*Subsample of five patients from each group; ¹Completed at lunchtime and at discharge; ²Completed at discharge; ³All medications in last 24 hours, including anaesthetic agents (except inhaled anaesthetics). VAS, visual analogue scale; SIMS, Satisfaction with Information about Medicines Scale; EQ-5D, EuroQoL EQ-5D questionnaire; OKS, Oxford Knee Score.

ISSN: 1745-6215