Table 3.

Electrocardiogram characteristics durations in milliseconds.

Variables, Units	Lead	Mean 12-Leads	Mean AW	Bias	p-Value Bias	Lower LoA	CI_Lowerloa	Upper LoA	CI_Upperloa	Absolute Offset
PR-interval (msec), mean	I	153.6	149.8	3.8	0.1	−52.0	[−61.7 −42.2]	59.6	[49.8 69.4]	21.0
	II	148.4	144.5	3.9	0.1	−54.3	[−64.5 −44.1]	62.1	[51.9 72.3]	18.8
	III	79.1	78.1	0.9	0.9	−151.3	[−178.0 −124.6]	153.2	[126.5 179.9]	22.5
	V1	139.9	136.6	3.3	0.1	−49.9	[−59.2 −40.6]	56.5	[47.1 65.8]	18.2
	V3	157.8	155.5	2.3	0.3	−55.0	[−65.1 −45.0]	59.6	[49.5 69.6]	20.4
	V6	162.5	159.3	3.2	0.6	−155.8	[−183.7 −127.9]	162.1	[134.3 190.0]	32.5
QRS-complex (msec), mean	I	116.8	113.9	2.8	0.1	−39.5	[−47.0 −32.1]	45.2	[37.8 52.6]	16.9
	II	111.1	108.5	2.6	0.1	−36.4	[−43.3 −29.6]	41.7	[34.8 48.6]	14.8
	III	55.8	53.8	2.0	0.1	−26.8	[−31.8 −21.7]	30.7	[25.7 35.8]	7.4
	V1	122.4	121.0	1.4	0.1	−24.6	[−29.1 −20.0]	27.4	[22.9 32.0]	9.5
	V3	134.0	132.5	1.5	0.1	−23.8	[−28.2 −19.4]	26.8	[22.4 31.3]	9.5
	V6	124.9	123.6	1.3	0.1	−21.8	[−25.8 −17.7]	24.4	[20.3 28.4]	8.5
QT-interval (msec), mean	I	371.1	367.1	4.0	0.1	−67.1	[−79.5 −54.6]	75.1	[62.7 87.6]	25.9
	II	334.3	330.0	4.3	0.1	−67.7	[−80.3 −55.1]	76.4	[63.8 89.0]	26.5
	III	183.0	178.8	4.2	0.1	−60.0	[−71.2 −48.7]	68.3	[57.1 79.6]	18.1
	V1	324.0	318.5	5.5	0.1	−86.6	[−102.7 −70.4]	97.6	[81.5 113.8]	35.4
	V3	367.5	362.3	5.2	0.1	−93.9	[−111.3 −76.5]	104.2	[86.9 121.7]	34.9
	V6	377.0	371.1	5.9	0.1	−89.3	[−106.0 −72.6]	101.2	[84.5 117.8]	33.3