Table 4. Laboratory best-practice adherence.

Best practice	Africa (n = 12)		Rest of world (n = 296)		p-value
	n	%	n	%
Avoid thallium stress	12	100.0	270	91.2	0.61
Avoid dual isotope	12	100.0	286	96.6	1
Avoid too much technetium	11	91.7	252	85.1	1
Avoid too much thallium	12	100.0	294	99.3	1
Perform stress-only imaging	8	66.7	85	28.7	0.005
Use camera-based dosereduction strategies	8	66.7	198	66.9	1
Weight-based dosing for technetium	6	50.0	82	27.7	0.108
Avoid shine through	7	58.3	129	43.6	0.313