Table 3.
Agreement Between Methods for Absolute QT Interval Measurement at Baseline and During Study Periods, and for Change of QT Interval from Baseline
| Pair‐Wise Comparisons | Absolute QT | QT Change from Baseline | ||
|---|---|---|---|---|
| Mean Difference (ms) | Width of 95% Limits of Agreement (ms) | Mean Difference (ms) | Width of 95% Limits of Agreement (ms) | |
| 12‐SIM/LEAD II | 11.4 | 47.6 | 0.4 | 41.0 |
| 12‐SIM/3‐LEAD | 8.6 | 42.0 | −2.9 | 40.5 |
| 12‐SIM/AUT | −6.5 | 78.8 | 1.1 | 65.8 |
| 3‐LEAD/LEAD II | 2.8 | 50.3 | 3.3 | 38.1 |
| 3‐LEAD/AUT | −15.1 | 79.8 | 4.0 | 67.9 |
| AUT/LEAD II | 17.9 | 71.0 | −0.7 | 59.9 |