Added value of ratio of cross diameters of the appendix in ultrasound diagnosis of acute appendicitis

doi:10.4240/wjgs.v16.i1.21

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World Journal of Gastrointestinal Surgery

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1948-9366

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

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World J Gastrointest Surg. Jan 27, 2024; 16(1): 21-28
Published online Jan 27, 2024. doi: 10.4240/wjgs.v16.i1.21

Table 2 Diagnostic performances of different criteria for evaluating acute appendicitis

Item	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	AUC (95%CI)
RATIO (1.18)	91.0	83.0	91.8	81.6	0.870 (0.830-0.904)
MOD (> 6 mm)	99.1	31.3	75.0	94.6	0.652 (0.599-0.702)
RATIO + MOD > 6 mm	90.1	92.0	95.9	81.7	0.910 (0.875-0.938)

RATIO: Ratio of the cross diameters of the appendix; MOD: Maximum outer diameter on the transverse section of the appendix; PPV: Positive predictive value; NPV: Negative predictive value; AUC: Area under the receiver operating characteristic curve.

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Citation: Gu FW, Wu SZ. Added value of ratio of cross diameters of the appendix in ultrasound diagnosis of acute appendicitis. World J Gastrointest Surg 2024; 16(1): 21-28
URL: https://www.wjgnet.com/1948-9366/full/v16/i1/21.htm
DOI: https://dx.doi.org/10.4240/wjgs.v16.i1.21

Gu FW, Wu SZ. Added value of ratio of cross diameters of the appendix in ultrasound diagnosis of acute appendicitis. World J Gastrointest Surg 2024; 16(1): 21-28 [PMID: 38328334 DOI: 10.4240/wjgs.v16.i1.21]

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