These studies used exclusion criteria and/or performed prior screening of their subjects to exclude any subjects presenting with a known risk factor for VTE.
Second, we selected study subjects to exclude those who had a past or present history of hepatitis, hepatotoxic drugs, or jaundice.
Dobutamine echocardiography was performed in all subjects to exclude ischemic heart disease, and left ventricular contractile reserve (LVCR) was then assessed.
However, in addition, an 'intention to treat' analysis was performed that was identical except that it used all subjects, to exclude the possibility that a systematic bias had been introduced by excluding those who subsequently snacked.
Prior to sending the first invitation, the general practitioners checked their list of the selected subjects to exclude recent deaths or other major objections to invite someone, for example, terminally ill or illiterate patients.
Before inclusion, a physician screened the subjects to exclude persons with cardiovascular disease, diabetes, neural- or musculoskeletal disease, inflammatory or pulmonary disorders and any known predisposition to deep venous thrombosis.
Since only somatosensory input is of interest here, we choose to blindfold the subjects and to exclude any person with vestibular dysfunctions.
Hair samples were chosen to identify HIV positive subjects with ciHHV-6 and to exclude subjects with acquired HHV-6 infection.
Prize is subject to availability, excludes bank holidays and must be used by January 2013.
In total, 729 individuals were subject to analysis, excluding 66 individuals who responded "Don't want to answer" the question on annual income.
