Relative volume measured with magnetic resonance imaging is an articular collapse predictor in hematological pediatric patients with femoral head osteonecrosis

doi:10.4329/wjr.v8.i8.750

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Aug 28, 2016 (publication date) through Jul 16, 2024

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World Journal of Radiology

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1949-8470

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Radiol. Aug 28, 2016; 8(8): 750-756
Published online Aug 28, 2016. doi: 10.4329/wjr.v8.i8.750

Table 1 Results of relative volume and relative surface for prediction of femoral head collapse

	RV (ONV/FHV)	RS (ONS/FHS)
Threshold	0.23	0.5
Sensitivity	100%	77%
Specificity	90%	100%
Accuracy	95%	87%
PPV	93%	100%
NPV	100%	77%

RV: Relative volume; RS: Relative surface; ONV: Osteonecrosis volume; FHV: Femoral head volume; ONS: Osteonecrosis surface; FHS: Femoral head surface; PPV: Positive predictive value; NPV: Negative predictive value.

Citation: Ippolito D, Masetto A, Talei Franzesi C, Bonaffini PA, Casiraghi A, Sironi S. Relative volume measured with magnetic resonance imaging is an articular collapse predictor in hematological pediatric patients with femoral head osteonecrosis. World J Radiol 2016; 8(8): 750-756
URL: https://www.wjgnet.com/1949-8470/full/v8/i8/750.htm
DOI: https://dx.doi.org/10.4329/wjr.v8.i8.750