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. 2017 May 3;21:103. doi: 10.1186/s13054-017-1679-0

Table 5.

Electrocardiography (ECG) results (median and interquartile range)

ECG parameter Group 1 Median (IQR) Group 2 Median (IQR) P value*
Admission (n =11) 24 h (n = 8) Admission (n = 9) 24 h (n = 5)
P wave duration 78 (74, 145) 85 (73, 107) 88 (70, 160) 92 (92, 128) 0.53
PR interval 130 (111, 178) 127 (112, 215) 148 (102, 186) 130 (130, 182) 0.96
QRS duration 76 (66, 80) 75 (63, 78) 66 (64, 72) 70 (62, 74) 0.42
RR interval 546 (490, 579) 562 (513, 609) 460 (414, 540) 594 (540, 600) 0.96
PP interval 545 (490, 575) 565 (511, 610) 455 (415, 540) 590 (540, 600) 0.93
QT interval 318 (294, 378) 337 (293, 351) 344 (276, 360) 370 (276, 384) 0.59
QTc 461 (423, 509) 459 (437, 471) 473 (414, 509) 472 (422, 516) 0.64

QTc corrected QT-interval. * P value for comparison of post-fluid (24 h) indices in Group 1 vs. Group 2