Table 4.
QTc intervals and manifest QT prolongation between groups.
| Characteristic | Patients Included: | All Patients (N = 799) | 95% CI 1 | QT ÷ Risk (N = 316) | 95% CI 1 | QT + Risk (N = 483) | 95% CI 1 | p-Value 2 |
|---|---|---|---|---|---|---|---|---|
| Mean Pulse (beats per minute) (SD 3, Minimum, Maximum) | 480 | 80 (15, 43, 127) | 79, 82 | 78 (14, 43, 127) | 76, 80 | 82 (15, 49, 126) | 80, 84 | 0.008 |
| Unknown Mean Fridericia (milliseconds) (SD, Minimum, Maximum) |
480 | 319 419 (24, 363, 506) |
417, 421 | 127 418 (26, 363, 506) |
414, 421 | 192 419 (22, 366, 486) |
417, 422 | 0.4 |
| Unknown Mean Bazetts (ms) (SD, Minimum, Maximum) |
480 | 319 438 (25, 354, 520) |
436, 440 | 127 435 (27, 354, 520) |
431, 438 | 192 440 (24, 382, 508) |
437, 443 | 0.031 |
| Unknown Number of patients with QTc > 480 ms n/N(%) Unknown |
480 | 319 33/480 (6.9%) 319 |
4.8%, 9.6% | 127 14/190 (7.4%) 127 |
4.2%, 12% | 192 19/290 (6.6%) 192 |
4.1%, 10% | 0.7 |
1 CI = 95% Confidence Interval. 2 Welch Two Sample t-test; Pearson’s Chi-squared test. 3 Standard deviation.