Table 5. Pearson correlation coefficient (r-value) analysis of the relationship between Hb levels and aortic density.

	r-value	95% CI	p-value
Combined patients	0.467	0.389–0.538	<0.0001
Sex
Male	0.360	0.244–0.466	<0.0001
Female	0.585	0.482–0.673	<0.0001
Anemia severity
None	0.240	0.1241–0.349	0.0001
Mild	0.095	−0.153–0.331	0.4535
Moderate	0.226	−0.018–0.443	0.0687
Severe	0.397	−0.055–0.714	0.0829