Noun
Either of the two points that divide an ordered distribution into three parts, each containing a third of the population.
Any one of the three groups so divided.
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The first tertile results include January through April's revenues.
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Smoking (odds ratio 2·87 for current vs never, PAR 35·7% for current and former vs never), raised ApoB/ApoA1 ratio (3·25 for top vs lowest quintile, PAR 49·2% for top four quintiles vs lowest quintile), history of hypertension (1·91, PAR 17·9%), diabetes (2·37, PAR 9·9%), abdominal obesity (1·12 for top vs lowest tertile and 1·62 for middle vs lowest tertile, PAR 20·1% for top two tertiles vs lowest tertile), psychosocial factors (2·67, PAR 32·5%), daily consumption of fruits and vegetables (0·70, PAR 13·7% for lack of daily consumption), regular alcohol consumption (0·91, PAR 6·7%), and regular physical activity (0·86, PAR 12·2%), were all significantly related to acute myocardial infarction (p<0·0001 for all risk factors and p=0·03 for alcohol).
To determine whether that’s been the case, I broke the league into tertiles at both ends of the floor and overall.
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When we start testosterone therapy, the goal is typically to raise testosterone levels into the range of about 450 to 600 ng/dL, which is considered the “middle tertile” for most laboratory reference ranges.