A prediction model based on platelet parameters, lipid levels, and angiographic characteristics to predict in-stent restenosis in coronary artery disease patients implanted with drug-eluting stents

Table 2 Characteristics of angiography, balloons, and stents in the ISR and non-ISR groups

Parameters	ISR (n = 56)	Non-ISR (n = 912)	t/χ²	P
LM stenosis, n (%)	6 (11.11)	51 (5.60)	2.79	0.095
LAD stenosis, n (%)	37 (66.07)	592 (64.91)	0.03	0.86
LCX stenosis, n (%)	29 (51.79)	389 (42.65)	1.79	0.181
RCA stenosis, n (%)	37 (66.07)	460 (50.44)	5.16	0.023*
Lesion vessels	2.61 ± 1.39	2.12 ± 1.44	−2.35	0.014*
Stents	0.23 ± 0.57	0.33 ± 0.75	0.99	0.323
Post-balloon dilatation, n (%)	30 (55.56)	446 (50.80)	0.46	0.575
Balloon diameters (mm)	2.77 ± 1.01	2.95 ± 0.80	−1.13	0.261
Balloon lengths (mm)	12.10 ± 5.17	12.17 ± 4.44	−0.088	0.930
Stent diameter (mm)	2.72 ± 0.29	2.85 ± 1.09	−0.855	0.393
Stent length (mm)	26.28 ± 7.93	26.89 ± 7.45	−0.558	0.577

* P < 0.05, compared with non-ISR group. Abbreviations: LM left main coronary artery, LAD left anterior descending coronary artery, LCX Left circumflex coronary artery, RCA right coronary artery

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