From:  Medical mistrust and sickle cell disease: a systematic review

 Quantitative study results.

Author, yearInstrument usedParticipants (n)Study results
Rizio et al., 2020 [43]Adult Sickle Cell Quality of Life Measurement Information System (ASCQ-ME), Work Productivity and Activity Impairment-Specific Health Problem (WPAI-SHP)303101 patients reported that “difficulty trusting healthcare providers” and 120 patients reported that “discrimination or stigmatization by healthcare professionals” were barriers to receiving healthcare.
Evensen et al., 2016 [64]ASCQ-ME: Quality of Care556Poor provider communication behaviors of not listening to patients, not spending enough time with patients, and not treating them with respect (60% of participants).
Emergency department (ED) nurses and doctors did not believe their pain scores.
Experiences of being treated badly in the ED by healthcare staff contributed to current decisions to delay seeking care during acute vaso-occlusive pain crises (83% of participants).
Mathur et al., 2016 [60]Discrimination subscale of interpersonal processes of care (IPC) survey7138% (n = 27) reported some experience with discrimination in health settings; of these 27 individuals, 21 reported doctors paid less attention to them due to race; 22 reported they felt discriminated against by doctors because of race or ethnicity.
McGill et al., 2023 [33]Discrimination subscale of IPC survey
2-item subscale:
“How often did doctors pay less attention to you because of your race or ethnicity?”
“How often did you feel discriminated against by doctors because of your race or ethnicity?”
68Racism-based discrimination negatively impacted pain scores (average daily pain score, baseline pain score) with statistical significance.
Racism-based discrimination also significantly negatively impacted depression and severity of insomnia in patients.
Wakefield et al., 2017 [39]Perceptions of Racism in Children and Youth (PRaCY) measure20Four youth with sickle cell disease (SCD) reported incidents of racial bias in medical settings.
Nelson and Hackman, 2013 [52]Behavioral Risk Factor Surveillance System (BRFSS) 2008 and Sickle Cell Transfer Questionnaire11250% of patients and families felt that race affected the quality of health care, with equal distribution between outpatient and inpatient settings.