QI program reduces but doesn't eliminate BP control disparities between Black, White patients. Targeted interventions needed. Explore future strategies.
Teresa N. Harrison, from Kaiser Permanente Southern California in Pasadena, and colleagues examined the change in BP control between Black and White patients before and after implementing a QI program in a quasi-experimental difference-in-difference analysis. Implementation of the QI program began in 2010.
The researchers observed an increase in the number of patients with hypertension, from 624,094 in 2008 (14.3 percent Black and 45.5 percent White) to 855,257 in 2019 (12.5 percent Black and 38.8 percent White). From before to after QI program implementation, blood pressure control increased by an absolute 4.6 and 2.1 percent among Black and White patients (difference-in-difference, 2.5 percent).
The largest reduction in Blood Pressure control disparity between Black and White patients was seen for women aged 50 to 64 years (difference-in-difference, 3.8 percent) and men aged 18 to 49 years (difference-in-difference, 4.2 percent).
The lowest proportion of Blood pressure control from 2008 to 2019 was seen in Black men aged 18 to 49 years. Uncontrolled BP was more common among Black than White patients in 2019 (prevalence ratio, 1.13).
“These findings suggest more focused interventions may be needed to increase BP control among Black patients even in an integrated health care setting,” the authors write.
Two authors disclosed financial ties to the pharmaceutical industry.
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