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The Relative Atrial Index (RAI) is a numeric parameter used to assess for cardiac shunt defects. It is calculated from the standard transthoracic Doppler echocardiogram measurements of the right atrial area divided by the left atrial area. RAI = right atrial area / left atrial area. [1] These measurements are made from the apical four chamber view.
Frailty Index (FI) = (number of health deficits present) ÷ (number of health deficits measured) For example, a person with 20 of 40 deficits collected has an FI score of 20/40 = 0.5; whilst for someone with 10 deficits, the FI score is 10/40 = 0.25. The FI takes advantage of the high redundancy in the human organism.
The Thai frailty index is the index commonly used to measure frailty in Thailand. [1] It consists of 30 variables, including hypertension; diabetes; stroke; chronic obstructive pulmonary disease; chronic kidney disease, cognitive impairment; falls; dental problems; hearing problems; underweight; urinary or fecal incontinence; poor quality of life; depressed mood; fatigue; sleep problems ...
Gerontologists for humans can use a frailty index to accurately predict how well a person will recover after an event such as a broken hip or serious illness. Researchers with the Dog Aging ...
The respiratory disturbance index (RDI)—or respiratory distress Index—is a formula used in reporting polysomnography (sleep study) findings. Like the apnea-hypopnea index (AHI), it reports on respiratory distress events during sleep, but unlike the AHI, it also includes respiratory-effort related arousals (RERAs). [ 1 ]
The square wa, ngan and rai are still used in measurements of land area. The baht is still used as a unit of measurement in gold trading. However, one baht of 96.5% gold bullion is defined as 15.16 grams rather than the generic standard of 15 grams.
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity, it provides a rapid visual and anthropometric tool for health evaluation. [1] Introduced in 2013, the BRI calculation can be used to estimate total and visceral body fat.
The fragility index is a statistical metric used primarily in the medical literature to assess study results. It denotes the minimum number of subjects whose status would have to change from a non-event to an event in order to convert a statistically significant result of the study into a non-significant result. [ 1 ]