Thus, a self-avoiding random walk is defined to avoid any visited nodes.
Since no donations have been made prior to the first visit, the value of donation at previous visit (DPV) for the first visit is defined to be 'no donation'.
'Lost to follow up' was defined by failure to visit the hospital for three consecutive months.
They define their need to visit the gynaecological clinic thusly: " When something is wrong" (R3); " When I feel ill" (R10); "When bleeding occurs, someone goes immediately to the gynaecologist" (R31) and "If I am pregnant" (R25).
It was late spring, Texas-hot already, and with only seconds of trash talk that passed for aforethought (for aforethought defined us, deciding when to visit, how long to stay, exactly what time we could leave and still make the flight), we decided to hit the river.
Typically, random walks are evaluated in terms of their cover times, which is defined as the time required to visit all nodes.
To identify patients with type 2 diabetes, we restricted the cohort to 158,062 individuals who had at least one primary care visit (defined as any visit to the general medicine, geriatric, or diabetes clinics) as well as a diagnosis of type 2 diabetes (diagnosis using ICD-9 CM codes of 250.00 or 250.02) each year during fiscal year (FY) 1999 to FY2000.
Relevant protocol deviations were defined as; visit to chiropractor or physiotherapist performing manipulation, more than one visit to a regular physiotherapist not performing manipulation, visit to general physician or medical specialist other than just for diagnostic questions (e.g. prescription of other pain medication or facet joint injection) or more than two visits to alternative medicine.
Some patients completed their 3, 6 or 12 month visit earlier or later than scheduled (see results) based on the protocol defined visit schedule and visit windows.
Among the elderly, greater social engagement, defined as visiting with friends and family, was also reported to be associated with psychometrically assessed resilience [ 13].
