Table 2.

Coronary physiological measures and procedural details.

Variable	Low CRP (<3 mg/L), N = 33	High CRP (≥3 mg/L), N = 41	p Value
FFR pre-PCI	0.64 ± 0.18	0.64 ± 0.17	0.99
FFR post-PCI	0.94 ± 0.06	0.91 ± 0.06	0.05
CFR pre-PCI	2.03 ± 1.05	1.87 ± 0.98	0.51
CFR post-PCI	2.92 ± 1.81	2.41 ± 0.97	0.15
IMR pre-PCI	17.4 ± 11.1	29.0 ± 13.9	<0.0001
IMR post-PCI	15.5 ± 8.4	23.0 ± 16.8	0.02
Drug eluting stent, n (%)	44 (82)	16 (80)	0.89
Stent size, mm	3.18 ± 0.54	3.14 ± 0.51	0.74
Stent length, mm	25.4 ± 14.7	22.1 ± 9.1	0.27
Stent number/patient	1.3 ± 0.5	1.3 ± 0.6	0.77
Pre-dilated, n (%)	24 (73)	36 (88)	0.10
Post-dilated, n (%)	31 (94)	36 (88)	0.36
No. of inflations, n	4.9 ± 2.5	4.8 ± 2.5	0.86

The bold values demonstrate statistically significant differences between variables in low CRP vs. high CRP groups.

FFR, fractional flow reserve; CFR, coronary flow reserve; IMR, index of microvascular resistance; PCI, percutaneous coronary intervention; CRP, C-reactive protein.