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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2014 Oct 3;23(10):2467–2478. doi: 10.1016/j.jstrokecerebrovasdis.2014.06.004

Table 4.

Baseline and Follow-up QTd and QTcd Values in Stroke Cases

Author Baseline ECG Time QTd msec (mean, SD) Follow up ECG Time QTd p value
1. Afsar et al25 <24 hours of stroke QTd = 60 (20–80)○
QTcd = 56±19		 Day 3 QTd = 40 (0–80)○
QTcd = 36±21		 <0.001
2. Chugh et al29 ** <24 hours of stroke N/A Day 3 N/A N/A
3. Alabd et al32 < 24 hours of admission QTd = 56±19
QTcd = 62±21		 Day 3 QTd = 43±10
QTcd = 50±13		 <0.001
<0.001
4. Lazar et al36 Admission QTcd =78±30 Day 3 QTcd =88±30 <0.001
5. Golbasi et al26 <24 hours of admission QTd = 54.7±17.3 Day 3 QTd = 43.6±17.1 N/A
6. Randell et al31 *** <3 days of stroke QTcd =61 (41, 118)○ Day 3 QTcd = 70 (60–80)○ N/A (authors state the difference was not statistically significant)
○

median and (range)

**

Chugh et al reported a significant difference between baseline and follow-up QTd values however data are not provided in the manuscript.

***

Randell et al reported day 3 QTcd values for only one of two groups of SAH patients included in the study.