Table 1: Spearman’s Correlation Coefficient Between Different Repolarisation Parameters.

r [95 % CI]	PRDwavelet	PRDPRSA	Tduration	Tpeak-end	TAUC
PRDwavelet	1	0.85 [0.83 - 0.87]	0.21 [0.14 - 0.27]	0.27 [0.21 - 0.33]	-0.33 [-0.28 - -0.39]
PRDPRSA	0.85 [0.83 - 0.87]	1	0.20 [0.13 - 0.26]	0.24 [0.18 - 0.30]	-0.16 [-0.10 - -0.22]
Tduration	0.21 [0.14 - 0.27]	0.20 [0.13 - 0.26]	1	0.91 [0.89 - 0.92]	0.16 [0.10 - 0.22]
Tpeak-end	0.27 [0.21 - 0.33]	0.24 [0.18 - 0.30]	0.91 [0.89 - 0.92]	1	0.08 [0.01 - 0.14]
TAUC	–0.33 [-0.28 - -0.39]	–0.16 [-0.10 - -0.22]	0.16 [0.10 - 0.22]	0.08 [0.01 - 0.14]	1

AUC = area under the curve; PRD = periodic repolarisation dynamic; PRSA = phase-rectified signal averaging.