Table 1.

Comfort scale [12]

	Score
Variable	1	2	3	4	5
Alertness	Deeply asleep	Lightly asleep	Drowsy	Fully awake and alert	Hyper alert
Calmness/agitation	Calm	Slightly anxious	Anxious	Very anxious	Panicky
Respiratory response	No coughing and	Spontaneous	Occasional cough	Actively breathes	Fights ventilator,
	no spontaneous	respiration with little	or resistance to	against ventilator or	coughing or choking
	respiration	or no response to	ventilator	coughs regularly
		ventilation
Physical movement	No movement	Occasional, slight	Frequent, slight	Vigorous movement	Vigorous movements
		movement	movements	limited to extremities	including torso and
					head
Mean arterial	Blood pressure	Blood pressure	Infrequent elevations	Frequent elevations of	Sustained elevation
blood pressure	below baseline	consistently at	of 15% or more	15% or more above	of 15% or more
		baseline	(1-3 during	baseline (more than 3
			observation period)	during observation
				period)
Heart rate	Heart rate below	Heart rate	Infrequent elevations	Frequent elevations of	Sustained elevation
	baseline	consistently at	of 15% or more	15% or more above	of 15% or more
		baseline	above baseline (1-3	baseline (more than 3
			during observation	during observation
			period)	period)
Muscle tone	Muscle totally	Reduced muscle tone	Normal muscle tone	Increased muscle tone	Extreme muscle
	relaxed, no muscle			and flexion of fingers	rigidity
	tone			and toes
Facial tension	Facial muscles	Facial muscle tone	Tension evident in	Tension evident	Facial muscles
	totally relaxed	normal, no facial	some facial muscles	throughout facial	contorted and
		muscle tension evident	muscles	grimacing