Table 1 Comparison of the HRrest, HRtest, and HRscan among the three groups
From: Optimized heart rate for 320-row cardiac CT can be feasibly predicted from prescan parameters
HRrest (bpm) | HRtest (bpm) | HRscan (bpm) | HRrest versus HRtest (bpm) | HRtest versus HRscan (bpm) | |||
|---|---|---|---|---|---|---|---|
Bias | Limits of agreement | Bias | Limits of agreement | ||||
Overall | 68.4 ± 11.9 | 65.3 ± 12. | 63.7 ± 11.9 | −3.11* | −2.77 to −3.46 | −1.60* | −1.24 to −1.95 |
HRtest decreasing group | 68.3 ± 11.6 | 64.4 ± 11.3 | 62.9 ± 11.2 | −3.81* | −3.48 to −4.14 | −1.51* | −1.14 to −1.88 |
HRtest increasing group | 69.9 ± 14.3 | 72.7 ± 14.4 | 70.4 ± 15.3 | 2.75* | 2.16 to 3.33 | −2.33* | −0.95 to −3.70 |