All mortalities that could not be classified as predation or pneumonia based on field examination were categorized as unknown, but "other" than predation and pneumonia.
Those not meeting these criteria during the follow-up period, which was confirmed 1 week later with a repeated venous examination, were categorized as nonremission.
Participants who were not locatable for the examination were categorized as non-responders and their reason for absence determined through available phone contact, neighbors and village guides as, "deceased", "moved away", or "unknown".
We adjusted for season of examination by categorizing the months of examination into seasons; December, January and February winterr); March, April and May springg); June, July and August summerr); September, October and November (autumn) [ 12].
The cytologic examination can categorize the lesions as benign lesions, laryngeal intraepithelial neoplasia (LIN), and malignancy.
Primary analyses examined nutrients categorized in tertiles to allow examination of dose response and threshold effects.
Age was defined as the age at the time of examination and was categorized into 4 groups: 40 49, 50 59, 60 69, and 70 80.
After clinical evaluation, electrocardiography and laboratory examination participants were categorized into a stratified six-level classification system according to their health status, going from A (completely healthy) to D (signs of active disease at the moment of examination).
Groups of subjects (independent of the diagnosis of diabetes and neuropathy) with similar responses to neurophysiological variables and physical examination findings were categorized using two-step hierarchical cluster analysis.
The degree of knee joint laxity was determined by physical examination, including the Lachman test and pivot shift test, and was categorized as low-grade or high-grade laxity.
On the basis of fundoscopic examination, diabetic retinopathy was categorized as nonproliferative, preproliferative, and proliferative (17).
