TABLE 4.

The ECG parameters and clinical outcomes

	Survive (n = 169)	Death (n = 31)	p	Non‐ICU (132)	ICU (n = 67)	p
HR 1	90.2 ± 22.4	96.8 ± 19.6	.128	91.4 ± 22.6	91.2 ± 21.3	.958
HR 2	79.9 ± 17.2	88.2 ± 16.3	.028	79.3 ± 17.0	84.9 ± 17.1	.059
HR 3	80.4 ± 16.2	97.5 ± 30.3	.001	80.9 ± 17.0	86.9 ± 24.4	.046
QRS Dur 1	88.9 ± 18.8	87.5 ± 16.7	.709	88.8 ± 19.2	88.5 ± 17.3	.89
QRS Dur 2	90.1 ± 20.7	89.5 ± 18	.897	91.7 ± 22	89 ± 16.1	.175
QRS Dur 3	90.2 ± 21.4	90.1 ± 19.9	.943	91.2 ± 22.3	88.8 ± 18.6	.446
QT 1	356.8 ± 56.1	343.582 ± 36.8	.207	359.3 ± 58.1	345.6 ± 43.3	.09
QT 2	379.2 ± 57.3	364.5 ± 41.6	.217	383.4 ± 59.2	364.8 ± 44.1	.051
QT 3	373.8 ± 59.4	358.3 ± 59	.182	378.8 ± 62.5	357.7 ± 50.7	.017
QTc 1	432.8 ± 86.8	423.9 ± 44.3	.576	437.1 ± 92.4	420.7 ± 54.4	.181
QTc 2	433.0 ± 51.4	432.0 ± 58.5	.932	436.7 ± 53.7	425.6 ± 50.3	.223
QTc 3	429.5 ± 54.2	439 ± 67.9	.389	434.8 ± 55.4	423.4 ± 58.6	.18

Note: 1 = admission, 2 = in‐hospital, 3 = discharge or last ECG.

Abbreviations: HR, heart rate; QRS Dur, QRS duration.