The clinical relevance of axillary reverse mapping (ARM): study protocol for a randomized controlled trial

Table 1 Data collection

Data	Source	Pre-operative	Peri-operative	Follow-up at 6, 12, and 24 months
Baseline characteristics	CRF	x
Medical history	CRF	x
Pre-operative tumor status/markers	CRF	x
Operation data including:	CRF		x
Registration
Randomization
Post-operative complications	CRF/PQ	x^a		x
Quality of life	PQ			x
Axillary recurrence rate	CRF			x

CRF, case report form; PQ, participant questionnaire.
^aThe volume, circumference and mobility of the arm will be measured pre-operatively.

ISSN: 1745-6215