Table 3.

The most common reasons for dental general anaesthesia (DGA), by patient characteristics

Reasons for DGA	Immigrant		Previous sedation		Previous DGA		Medically compromised
	Yes	No	Yes	No	Yes	No	Yes	No
	n=95, %	n=254, %	n=188, %	n=161, %	n=71, %	n=278, %	n=137, %	n=212, %
Extreme non-	71	63	79	49	68	64	62	67
cooperation	p=0.189		p<0.001		p=0.612		p=0.345
Extreme dental	27	41	43	30	31	38	33	40
fear	p=0.023		p=0.011		p=0.242		p=0.200
Excessive need	37	22	18	35	10	30	18	31
for treatment	p=0.005		p<0.001		p<0.001		p=0.007

Statistical evaluation by chi-square tests for differences according to patient characteristics.