Diagnostic accuracy of metastatic axillary lymph nodes in breast MRI

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Table 1 Evaluation of pathological status of axillary lymph nodes

	Pathological status		p
	Metastatic (n = 15)	Reactive (n = 20)	p
Age
Average ± SD	51.8 ± 14.82	53.65 ± 12.27	0.689^a
Min–Max	26–80 (49)	35–73 (54)
Long axis (mm)
Average ± SD	12.67 ± 5.05	12.15 ± 6.38	0.798^a
Min–Max	6–22 (12)	4–28 (9.5)
Short axis (mm)
Average ± SD	8.00 ± 3.34	6.15 ± 3.70	0.042*^,b
Min–Max	2–14 (8)	2–19 (5)
Long/short axis
Average ± SD	1.69 ± 0.64	2.07 ± 0.76	0.071^b
Min–Max	1–3 (1.5)	1.3–4.6 (1.8)
Cortical thickness (mm)
Average ± SD	4.11 ± 2.30	2.60 ± 1.84	0.024*^,b
Min–Max	1.2–9 (3)	1–9 (2)
Cortical thickness/AP diameter
Average ± SD	0.51 ± 0.21	0.42 ± 0.13	0.167^a
Min–Max	0.22–0.9 (0.6)	0.18–0.7 (0.41)