Table 2.

Adenoma detection rate according to birthplace

Birthplace	Adenoma detection rate1	P-value3	Advanced adenoma detection rate2	P-value3
Australia and New Zealand	47.50%		18.80%
Asia	29.50%	0.002	9.50%	0.03
Europe	50.40%	0.12	14.20%	0.25
Middle East and Africa	38.00%	0.50	9.90%	0.07
South America	40.70%	< 0.001	7.40%	0.04
Pacific Islands	31.80%	0.03	9.10%	0.25

¹Adenoma detection rate is defined as number of colonoscopies where one or more adenomas were detected divided by the total number of colonoscopies;

²Advanced adenoma detection rate is defined as number of colonoscopies where one or more advanced adenomas were detected divided by the total number of colonoscopies;

³χ² test between Australia and New Zealand-born and those born elsewhere.