To surmise, the recommendations of the Dry Eye Workshop based on disease severity consist of four levels of treatment [ 14, 33].
Still tinnitus severity, consisting of one question (scale from 1 to 5), explained 18% of the variance of the WHO-QoL Bref subscale physical health and 16% of the variance of the subscale psychological health.
While ABCC6 is abundantly present in the liver and kidney, PXE patients present a complex phenotype (highly variable in clinical severity) consisting of skin, eye, and cardiovascular symptoms [ 9, 10].
The symptom severity scale consists of eleven items assessing symptoms of pain, numbness, and weakness at night and during the day.
Fatigue severity scale (FSS) consists of nine questions, ranging from 1 (low fatigue) to 7 (high fatigue) with a suggested cut-off point of 4.5 [ 20].
The Fatigue Severity Scale (FSS) consists of nine fatigue-related statements rated on a seven-point scale from 'disagree' to 'agree' [ 24].
The insomnia severity index (ISI) consists of seven questions, with scores ranging from 0 to 28; scores of 0 7 indicated an absence of clinically significant insomnia; 8 14 indicated sub-threshold insomnia; and scores of 15 21 and 22 28 indicating moderate and severe clinical insomnia, respectively.
The total disease severity scores consisted of the summation of the clinical profile and conventional MRI scores.
The CIS and the Krupp Fatigue Severity Scale consist of statements like "I feel tired" and "I am easily fatigued" that are scored on seven-point scales (from "yes, that is true" to "no, that is not true" for the CIS; from "strongly disagree" to "strongly agree" for the Krupp scale).
Depending on the severity of diarrhoea, treatment consists of oral rehydration, during which the child is given extra water to drink that contains small amounts of salt and sugar.
It measures the severity of depression and consists of 21 items that are responded to on a 4-point Likert scale.
