Table 1.

Intubation and extubation conditions.

	Intubation/extubation scores
	Clinically acceptable		Clinically unacceptable
Variable	Excellent	Good	Poor
Intubation conditions Laryngoscopy
Jaw relaxation	Relaxed	Not fully	Poor
Resistance to laryngoscope	None	Slight	Active
Vocal cords
Position	Abducted	Intermediate	Closed
Movement	None	Moving	Closing
Reaction to tube insertion or cuff inflation
Movement of limbs	None	Slight	Vigorous
Coughing	None	Slight	Sustained
Extubation conditions
Reaction to tube removal
Movement of limbs	None	Slight	Vigorous
Coughing	None	Slight	Sustained

Intubation conditions: excellent = all qualities are excellent; good = all qualities are excellent or good; poor = any quality is poor. Excellent and good intubation conditions are summarized as clinically acceptable conditions.⁵

Extubation conditions: excellent = all qualities are excellent; good = all qualities are excellent or good; poor = any quality is poor.⁴