Table 2.

Correlation between pressure-derived and angiography-derived indices based on stenosis severity classification.

	Moderate stenosis (50–69%)				Severe stenosis (70–99%)
	Resting Pd/Pa		Pa–Pd (mmHg)		Resting Pd/Pa		Pa–Pd (mmHg)
	r	p	r	p	r	p	r	p
Minimal lumen diameter (mm)	0.638	0.173	−0.116	0.827	0.286	0.087	−0.343	0.038
Diameter stenosis (%)	−0.600	0.208	0.029	0.957	−0.341	0.039	0.352	0.033
Lesion length (mm)	0.143	0.787	0.486	0.329	0.051	0.764	−0.078	0.645