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Table 2 Quantitative coronary angiography, IVUS and TTDE findings

From: Angiographically borderline left main coronary artery lesions: correlation of transthoracic doppler echocardiography and intravascular ultrasound: a pilot study

QCA  
- MLD (mm) 2.6 ± 0.7
- Diameter stenosis (%) 36.5 ± 9.6
- Area stenosis (%) 58.15 ± 12.25
- Reference diameter (mm) 4.10 ± 1.10
- Lesion length (mm) 7.2 ± 3.2
IVUS (quantitative analysis)  
LM MLA site  
- MLA (mm2) 7.1 ± 2.7
MLD (mm) 2.75 ± 0.7