Table 3. SIGMA-VB: Spearman’s correlation coefficients between raters.

	Rater B
	Week 0	Week 1	Week 2	Week 4	Week 8
Rater A
Week 0	0.91*	0.66*	0.48*	0.50*	0.37†
Week 1		0.95*	0.39*	0.69*	0.29†
Week 2			0.95*	0.61*	0.54*
Week 4				0.92*	0.43*
Week 8					0.98*

SIGMA-VB = Brazilian Portuguese version of the SIGMA.

^*p > 0.001;

^†p > 0.05.