Table 3: Quantification of degree of concordance (intra-observer variability).

Concordance and Test between HD and LD	Q4 N=36	Q5 N=12
S1	91.67%	75%
	1.000	0.222
S2	61.11%	41.67%
	0.159	1.000
S3	77.8%	58.33%
	0.488	0.470
S4	91.67%	50%
	1.000	1.000
S5	58.33%	66.7%
	0.47	0.545