Table 1

Summary of electrocardiographic data for surviving and non-surviving patients at visits 1 and 2

Visit 1Visit 2
SurvivorsNon-survivorsp ValueSurvivorsNon-survivorsp Value
HR, heart rate; QTc, corrected QT interval.
HR (beats/min)75 (15)79 (18) 0.277 (16)81 (18) 0.3
PR (ms)178 (26)190 (50) 0.1174 (27)200 (4) 0.002
QRS (ms)106 (22)133 (25)<0.0001105 (17)150 (32)<0.0001
QT (ms)393 (46)395 (63) 0.8381 (43)391 (47) 0.3
QTc (ms)438 (47)453 (58) 0.1431 (52)454 (42) 0.05