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TPS1HTC30-Q1: Current sense ratio inconsistency

Part Number: TPS1HTC30-Q1

Tool/software:

In section 6.5 Electrical Characteristics under the CURRENT SENSE CHARACTERISTICS subsection, I'm finding the current sense ratio to be inconsistent. The nominal ratio is listed as 1300A/A. In the below image I calculated the ratio for each line item by dividing the listed current by the output current, i.e. 4A / 3.3mA = 1212A/A. As you can see it's 1300A/A for 6A, but 0.5A-4A are roughly 1200A/A. Are these values correct such that I need to account for the difference when measuring the generated voltage? 

The values also do not agree with Figure 6-13. Current Sense Ratio (KSNS) vs Temperature vs Load Current. Almost all currents across the temperature range have a ratio of 1290-1310.