Table 5.

Results of vessel assessment according to smoking status (per vessel).

	Smoking Group (n = 223)	Non-Smoking Group (n = 194)	p-Value
All vessels-younger group
FFR ≤ 0.80, n (%)	41 (57.8)	9 (28.1)	0.005
FFR, median (Q1–Q3)	0.79 (0.75–0.86)	0.845 (0.8–0.9)	0.006
iFR/RFR ≤ 0.89, n (%)	34 (47.9)	10 (31.3)	0.11
iFR/RFR, median (Q1–Q3)	0.90 (0.86–0.94)	0.915 (0.89–0.94)	0.15
All vessels-older group
FFR ≤ 0.80, n (%)	74 (48.7)	76 (46.9)	0.75
FFR, median (Q1–Q3)	0.81 (0.76–0.87)	0.83 (0.76–0.89)	0.17
iFR/RFR ≤ 0.89, n (%)	76 (50.0)	74 (45.7)	0.44
iFR/RFR, median (Q1–Q3)	0.895 (0.84–0.94)	0.90 (0.8575–0.94)	0.76

Abbreviations: FFR, fractional flow reserve; iFR, instantaneous wave-free ratio; RFR, resting full-cycle ratio.