The Fitbit Surge came closest, with an error rate of roughly 27 %, while the PulseOn performed the worst with a shockingly high error rate of 92.6 %. (bgr.com)
Regarding phlyogeny v. phylogenetics, if what you meant to say was that phylogeny based on morphology has been shown to be false or is confounded by unreasonably high error rates in light of phylogenetic techniques, you're patently incorrect as the prior trees based on morphology have consistently, albeit not perfectly, matched the trees produced by genetic comparisons. (religion.blogs.cnn.com)
But clinical diagnoses have extraordinarily high error rates. (educationnext.org)