Table 2:

Examples of original and sifted partially synthetic data. The bolded words were obfuscated by the masking and prediction step. The italic words in square brackets were created by the obfuscation step. Abbreviations: FX is short for bone fracture, and DX is short for diagnostics.

Obfuscation Level	Injury Description	Naive Suppressing Description
Original	Slipped and fell onto shoulder at work FX shoulder	-
Sifted low obfuscation	Slipped and fell onto something at work today	Slipped and [mask] onto [mask] at work [mask]
Sifted medium obfuscation	Slipped and [break leg] at work today	Slipped and [mask] [mask] [mask] at work [mask] [mask]
Sifted high obfuscation	Slipped and [DX ankle foot pain at work fell]	Slipped and [mask] [mask] [mask] [mask] [mask] [mask] [mask]