readings can be less accurate and darker skinned patients. which way are the result darker skinned patients. which way are the result skewed, darker skinned patients. which way are the result skewed, lower - darker skinned patients. which way are the result skewed, lower or- are the result skewed, lower or higher? are the result skewed, lower or hi . her? are the result skewed, lower or hiuher? . , ., are the result skewed, lower or hiuher? . , ., , higher? the devices are actually likel to higher? the devices are actually likely to overestimate higher? the devices are actually likely to overestimate oxygen i likely to overestimate oxygen saturation is, particularly in black patients as well as other ethnic minority groups. many white patients of a particular study conducted in america found that black patients were three times more likely to have that oxygen saturation reading overestimated in comparison to white patients. overestimated in comparison to white atients. ., , ., ,