Table 2 Mean resting and hyperaemic data of slice‐corrected delay time and perfusion.

Regions (n)	Patients		Volunteers	p Value
	Antegradely perfused n = 405	Collateral‐dependent n = 135	Normal myocardium n = 306
Δtd
Rest	0.9 (0.7)*	1.7 (1.0)	0.8 (0.4)#	*p<0.01 and #p<0.001 vs collateral‐dependent
Hyperaemia	0.4 (0.3)#	1.1 (0.6)	0.3 (0.3)#
Perfusion
Rest	1.12 (0.11)	0.98 (0.28)	1.14 (0.21)	*p<0.001 vs patients #p<0.01 vs antegradely perfused
Hyperaemia	2.46 (0.85)	1.86 (0.91)#	4.23 (1.12)*

p<0.001 rest vs hyperaemia in patients.

p<0.001 rest vs hyperaemia in all groups.

p<0.001 rest vs hyperaemia in volunteers.