Importance of fatigue and its measurement in chronic liver disease

Table 3 Fatigue symptoms for diagnosing pathological fatigue

The symptoms must have been present every (or nearly every) day over a 2-wk period during the past month
Necessary	Significant fatigue
	Diminished energy
	Increased need to rest disproportionate to level of activity
At least five of these symptoms must be present	Experience of limb heaviness of generalized weakness
	Diminished concentration or attention
	Decreased motivation or interest to engage in usual activities
	Insomnia or hypersomnia
	Experience sleep as unrefreshing or non-restorative
	Perceived need to struggle to overcome inactivity
	Marked emotional reactivity to feeling fatigued
	Perceived problems with short term memory
	Post-exertional malaise for several hours