Table 3.

Correlation coefficients of various CT attenuation values with serum Hb level.

	Aortic arch	AA	DA	PA	IVC	RV	LV
Total	0.78	0.73	0.74	0.73	0.73	0.58	0.50
Male	0.82	0.75	0.77	0.75	0.77	0.61	0.52
Female	0.74	0.74	0.72	0.66	0.62	0.41	0.40
Age > 60 years	0.79	0.76	0.78	0.75	0.74	0.63	0.55
Age ≤ 60	0.72	0.58	0.55	0.62	0.63	0.49	0.41

CT computed tomography, Hb hemoglobin, AA ascending aorta, DA descending aorta, IVC inferior vena cav.