Table 2.

Grading of overall intubating conditions (as assessed by the endoscopist)

I	No adverse events, cough or stridor, co-operative and well tolerated
II	Coughed once or twice, co-operative with reassurance, tolerated the tube well.
III	Coughed repeatedly, no stridor, tube accepted
IV	Coughed repeatedly, stridor present, unco-operative, did not allow scope to be passed beyond glottis