. 2024 Oct 8;25(10):358. doi: 10.31083/j.rcm2510358

Table 2.

The results of vessel assessment in the study groups (per vessel).

		Group		p-value
		GFR-L	GFR-H
		175 (42.0%)	242 (58.0%)
Vessel assessed
	LAD	106 (60.6%)	143 (59.1%)	0.7610
	non-LAD	69 (39.4%)	99 (40.9%)
All vessels
	FFR $\leq$ 0.80, n (%)	77 (44.0%)	123 (50.8%)	0.1685
	FFR, median (Q1–Q3)	0.83 (0.76–0.89)	0.80 (0.75–0.87)	0.0202
	iFR/RFR $\leq$ 0.89, n (%)	90 (51.4%)	104 (43.0%)	0.0876
	iFR/RFR, median (Q1–Q3)	0.89 (0.84–0.94)	0.90 (0.86–0.94)	0.2186
LAD
	FFR $\leq$ 0.80, n (%)	62 (58.5%)	87 (60.8%)	0.7086
	FFR, median (Q1–Q3)	0.79 (0.75–0.85)	0.78 (0.73–0.84)	0.1609
	iFR/RFR $\leq$ 0.89, n (%)	66 (62.3%)	79 (55.2%)	0.2668
	iFR/RFR, median (Q1–Q3)	0.88 (0.84–0.92)	0.89 (0.84–0.93)	0.3300
Non-LAD
	FFR $\leq$ 0.80, n (%)	15 (21.7%)	36 (36.4%)	0.0425
	FFR, median (Q1–Q3)	0.89 (0.82–0.94)	0.83 (0.78–0.90)	0.0058
	iFR/RFR $\leq$ 0.89, n (%)	24 (34.8%)	25 (25.3%)	0.1812
	iFR/RFR, median (Q1–Q3)	0.94 (0.86–0.98)	0.94 (0.89–0.97)	0.9125

Abbreviations: FFR, fractional flow reserve; (e)GFR, (estimated) glomerular filtration rate; iFR, instantaneous wave-free ratio; LAD, left anterior descending artery; RFR, resting full-cycle ratio; L, indicates the group with an eGFR $<$ 70 mL/min/1.73 m²; H, indicates the group with an eGFR $\geq$ 70 mL/min/1.73 m².