Table 2 Method of stretcher handling at time of adverse event

Method of stretcher handling	Frequency (percentage; 95% CI)
Unloading stretcher from ambulance	108 (16%; 13 to 19%)
Moving stretcher	28 (4%; 3 to 6%)
Adjusting stretcher height	21 (3%; 2 to 5%)
Transferring patient on/off stretcher	18 (3%; 2 to 4%)
Loading stretcher onto ambulance	17 (3%; 1 to 4%)
Lifting stretcher	7 (1%; 0 to 2%)
Transporting stretcher in ambulance	5 (1%; 0 to 2%)
Unknown	467 (70%; 66 to 73%)