Complex sentence: The survey reported that 19% of respondents had been refused healthcare by a doctor or other provider because they identify as transgender or gender non-conforming and transgender people of color were more likely to have been refused healthcare.
Split into simpler sentences: The survey reported that 19% of respondents stated that they had been refused healthcare by a doctor or other provider because they identify as transgender or gender non-conforming. Trans people of color were more likely to have been refused healthcare.