Table 4.

Correlation between RCA PCAT CT attenuation and coronary plaque within the whole coronary tree and the RCA in different ethnic groups.

	South Asians (n = 100)	Caucasians (n = 100)	East Asians (n = 100)	All patients (n = 300)
Whole Coronary Tree Plaque Volume, mm³
Non-calcified Plaque	r = 0.324^*	r = 0.187	r = 0.176	r = 0.226^*
Low-density NCP	r = 0.296^*	r = 0.146	r = 0.093	r = 0.178^*
Calcified Plaque	r = 0.321^*	r = 0.217	r = 0.122	r = 0.219^*
Total Plaque	r = 0.334^*	r = 0.219^#	r = 0.174	r = 0.240^*
RCA Plaque Volume, mm³
Non-calcified Plaque	r = 0.597^*	r = 0.342^*	r = 0.378^*	r = 0.439^*
Low-density NCP	r = 0.590^*	r = 0.306^*	r = 0.289^*	r = 0.391^*
Calcified Plaque	r = 0.256^#	r = 0.029	r = 0.051	r = 0.109
Total Plaque	r = 0.572^*	r = 0.32^*	r = 0.365^*	r = 0.419^*
Whole Coronary Tree Plaque Burden, %
Non-calcified Plaque	r = 0.380^*	r = 0.256^#	r = 0.229^#	r = 0.283^*
Low-density NCP	r = 0.320^*	r = 0.164	r = 0.122	r = 0.202^*
Calcified Plaque	r = 0.345^*	r = 0.226^#	r = 0.143	r = 0.24^*
Total Plaque	r = 0.404^*	r = 0.311^#	r = 0.247^#	r = 0.314^*
RCA Plaque Burden, %
Non-calcified Plaque	r = 0.622^*	r = 0.367^*	r = 0.407^*	r = 0.468^*
Low-density NCP	r = 0.559^*	r = 0.339^*	r = 0.266^#	r = 0.393^*
Calcified Plaque	r = 0.24^#	r = 0.029	r = 0.050	r = 0.105
Total Plaque	r = 0.602^*	r = 0.35^*	r = 0.387^*	r = 0.449^*

highlights p < 0.05.

highlights p ≤ 0.001.