Endothelial progenitor cells and plaque burden in stented coronary artery segments: an optical coherence tomography study six months after elective PCI

Table 3 OCT analysis of coronary plaque burden in each stented vessel segment (ROI)

Plaque classification	N (mean ± SD)/ ROI	N (range)/ROI	Volume (mm³)	Surface Area (mm²)
Pathologic intimal thickening	0.1 ± 0.3	0–1	1.0 ± 3.5	3.2 ± 10.7
Fibrotic plaque	0.2 ± 0.5	0–2	0.5 ± 1.6	1.0 ± 3.1
Fibrocalcific plaque	0.2 ± 0.4	0–2	0.4 ± 1.2	0.8 ± 2.6
Fibroatheroma	0.8 ± 0.8	0–3	3.4 ± 5.8	4.7 ± 6.7
Mixed Plaques	0.6 ± 1.0	0–4	2.3 ± 5.3	2.7 ± 5.8
Total Plaques	2.5 ± 1.5	0–6	7.5 ± 8.5	12.4 ± 13.7

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