Research Article
Relationship between a Prolonged Corrected QT Interval and Mortality in Patients Presenting with Syncope at the Emergency Department
Table 1
Demographic data, vital signs, and QTc intervals of cases.
| | Mortality | | Survive | Nonsurvive |
| | Gender | | Female, (%) | 60 (88.2) | 8 (11.8) | | Male, (%) | 83 (85.6) | 14 (14.4) | | CAD history | | Positive, (%) | 44 (93.6) | 3 (6.4) | | Negative, (%) | 99 (83.9) | 19 (16.1) | | HT history | | Positive, (%) | 71 (88.8) | 9 (11.2) | | Negative, (%) | 72 (84.7) | 13 (15.3) | | DM history | | Positive, (%) | 35 (87.5) | 5 (12.5) | | Negative, (%) | 108 (86.4) | 17 (13.6) | | Stroke history | | Positive, (%) | 8 (72.7) | 3 (27.3) | | Negative, (%) | 135 (87.7) | 19 (12.3) | | COPD history | | Positive, (%) | 17 (81.0) | 4 (19.0) | | Negative, (%) | 126 (87.5) | 18 (12.5) | | Thyroid disease history | | Positive, (%) | 5 (86.7) | 1 (16.7) | | Negative, (%) | 138 (86.8) | 21 (13.2) | | Age (year), median (IQR) | 64 (79-49) | 76 (90-65) | | Systolic blood pressure (mmHg) median (IQR) | 120 (134-107) | 108 (122-98) | | Diastolic blood pressure (mmHg) median (IQR) | 70 (130-104) | 58 (126-102) | | Pulse rate (/min) median (IQR) | 78 (88-70) | 92 (91-70) | | Respiratory rate (/min) median (IQR) | 16 (19-14) | 16 (18-14) |
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IQR: interquartile range; CAD: coronary artery disease; HT: hypertension; DM: diabetes mellitus; COPD: chronic obstructive pulmonary disease.
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