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Summary statistics for Fig. 5. Paired t-test and F-test p-values were calculated by testing the clinical (repeatability) distribution against each reduced-dose reproducibility distribution.
| Dose level | N | Mean (%) | SD (%) | Paired t-test p-value | F-test p-value |
|---|---|---|---|---|---|
| Clinical (repeatability) | 17 | 1.1 | 5.5 | ||
| 25% vs clinical | 17 | −4.5 | 6.3 | 0.04a | 0.22 |
| 10% vs clinical | 17 | −5.6 | 9.9 | 0.03a | 0.0002a |
| 3% vs clinical | 17 | −1.7 | 6.8 | 0.53 | 0.11 |
The p-value was statistically-significant.
