Table 1 Percentile distribution of reconstruction error between real and reconstructed ECGs

ECG feature	Lead	1-lead reconstruction				2-lead reconstruction
		5%	10%	90%	95%	5%	10%	90%	95%
RR interval (ms)		0	0	2	2	0	0	0	2
QT interval (ms)		−10	−8	14	17	−10	−8	12	16
PR interval (ms)		−22	−16	14	20	−18	−14	10	14
QRS duration (ms)		−16	−12	10	14	−14	−10	10	14
R amplitude (μV)	V1	−229	−175	92	107	−230	−161	68	88
	V2	−715	−547	146	198	−647	−474	210	273
	V3	−953	−717	362	479	−923	−658	435	542
	V4	−1125	−854	542	686	−1049	−796	483	632
	V5	−823	−630	416	547	−788	−576	303	393
	V6	−554	−356	415	513	−444	−322	225	273
T amplitude (μV)	V1	−199	−146	142	177	−172	−122	165	194
	V2	−429	−337	209	269	−332	−240	303	361
	V3	−412	−318	195	249	−334	−239	268	322
	V4	−347	−268	152	200	−264	−210	185	229
	V5	−185	−132	118	156	−148	−102	102	122
	V6	−122	−83	98	122	−88	−59	68	88
S amplitude (μV)	V1	−547	−443	365	587	−478	−366	303	507
	V2	−1074	−805	405	538	−959	−713	425	578
	V3	−917	−733	293	430	−796	−625	391	493
	V4	−757	−591	185	249	−610	−415	278	348
	V5	−415	−322	93	126	−283	−191	132	173
	V6	−170	−126	39	53	−87	−59	68	85
ST amplitude (μV)	V1	−88	−64	49	59	−68	−49	63	74
	V2	−230	−161	78	98	−171	−117	117	142
	V3	−195	−141	83	100	−161	−103	102	122
	V4	−136	−93	63	78	−117	−78	63	78
	V5	−59	−35	63	73	−44	−30	49	68
	V6	−49	−34	43	49	−35	−25	39	49

Summary of the 5th, 10th, 90th, and 95th percentiles of the reconstruction error, calculated as the difference between the reconstructed ECG and the original ECG.

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