Research Article

[Retracted] Clinical Value of Abdominal Ultrasonography in the Diagnosis of Acute Abdomen in Children

Table 4

Comparison of diagnostic value of high-frequency and low-frequency abdominal ultrasound in children with acute abdomen.

 SensitivitySpecificityAccuracy

Intussusception in children
High-frequency ultrasound93.44% (57/61)80.00% (12/15)90.79% (69/76)
Low-frequency abdomen83.61% (51/61)73.33% (11/15)81.58% (62/76)
x26.3324.1253.554
P value0.0010.0100.023

Mesenteric lymphadenitis
High-frequency ultrasound93.33% (14/15)95.08% (58/61)94.74% (72/76)
Low-frequency abdomen80.00% (12/15)81.97% (50/61)81.58% (62/76)
x25.1464.2653.695
P value00.0110.015