Table 4.
Comparison with post hoc Tukey’s test of DLP, ED, amount of contrast agent and average image quality score with heart rate.
| Heart rate (<60) Group 1 | Heart rate (60–75) Group 2 | Heart rate (>75) Group 3 | ||||
|---|---|---|---|---|---|---|
| Mean | Standard deviation | Mean | Standard deviation | Mean | Standard deviation | |
| DLP | 80.85 | 36.64 | 140.55 | 192.74 | 576.41 | 182.72 |
| ED-mSv | 1.13 | 0.51 | 1.97 | 2.70 | 8.07 | 2.56 |
| Contrast (mL) | 73.69 | 3.25 | 73.03 | 7.05 | 84.41 | 5.87 |
| Average image quality score | 1.02 | 0.04 | 1.04 | 0.08 | 1.36 | 0.38 |
| Post-Hoc Tukey Test p value | ||||||
| Group 1–2 | Group 1–3 | Group 2–3 | ||||
| DLP | .566 | .000 | .000*** | |||
| ED-mSv | .566 | .000 | .000*** | |||
| Contrast | .942 | .000 | .000*** | |||
| Average image quality score | .986 | .001 | .000*** | |||
DLP – dose-length product; ED-mSv – effective dose- millisievert.