DRV8434S: Full-scale current accuracy

Hello team,

I want to know the detail of Full-scale current accuracy of +/- 4% from the datasheet.

Is this indicating Current trip accuracy of +/-4%?

I want to use DVDD as VREF from resistor divider.
Is this current trip accuracy (±4%) including the DVDD accuracy (5V±0.25V) and resistor error of ±1%?
OR should I add those errors in to account?

Best Regards,
Kei Kuwahara