Skip to main content

Table 6 Diagnostic screening criteria of MCPGS to detect children with acute appendicitis

From: Role of clinical judgment and tissue harmonic imaging ultrasonography in diagnosis of paediatric acute appendicitis

MCPGS

Acute Appendicitis

Free

Total

Positive score (8+)

179 (100.0)

8 (9.3)

187 (70.6)

Negative score (< 8)

0 (0.0)

78 (90.7)

78 (29.4)

Total

179 (100.0)

86 (100.0)

265 (100.0)

  1. Sensitivity = 100%
  2. Specificity = 90.7%
  3. Positive predictive power = 95.72%
  4. Negative predictive power = 100%
  5. Overall agreement (accuracy) = 96.98%
  6. Kappa = 0.929 (P < 0.001)