Table 2.

Intra class correlation coefficients for QLF metrics and mean metric values for each TF index score

QLF mETRIC (mean)	TF SCORE						Spearman’s rho	Kendall’s tau b
	0	1	2	3	4	5	P<0.0001
Areach	0.070	0.097	0.177	0.248	0.317	0.402	.421	.342
ΔFch	0.043	0.047	0.058	0.070	0.086	0.108	.349	.282
ΔQch	0.004	0.005	0.011	0.018	0.034	0.046	.410	.332