Without identifying RA as an underlying condition, epidemiological studies that rely on information from death certificates may not fully ascertain the morbidity and mortality of the disease.
10, 11 This occurrence is probably underestimated as milder phenotypes may not be ascertained.
We recognise that an RVharm/target(i) may not be ascertained reliably.
We also may not have ascertained all PCI procedures in the later years of the study, as more PCI procedures were performed in the outpatient setting.
However, we suggest that these changes may not be ascertained to bisoprolol therapy as other confounding factors (reducing salt intake, alcohol avoidance, multifactorial diet control, weight reduction, tobacco cessation, physical exercise and stress management) were not captured.
REGARDS did not have information on vaccination, so we could not ascertain if racial differences in vaccinations may have resulted in different infection rates.
Non-responders may have differed from responders in ways that we could not ascertain.
But he also pointed out holes in Pistorius's story which may prove important when the case comes to trial: Why did he not ascertain Steenkamp's wherabouts?
This study does not ascertain what factors are important in these two age groups and may be quite different.
Third, because we could not ascertain the site of inflammation in the present study, systemic or chronic inflammation may be present independent of serum UA.
