BMC Medical Research Methodology

Table 3 The 5-point rating scale

From: Protocol for the development of a core outcome set for pelvic girdle pain, including methods for measuring the outcomes: the PGP-COS study

	5-point scale
Outcome	Not important		Unsure of importance	Important
Pain	1	2	3	4	5
	○	○	○	○	○

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ISSN: 1471-2288

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