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Table 6 Statistics of all study variables (for operated cases, n = 107)

From: Comparison of Alvarado score and pediatric appendicitis score for clinical diagnosis of acute appendicitis in children—a prospective study

Variable Sensitivity, % Specificity, % PPV, % NPV, %
Migration of pain 64.95 50.0 92.65 12.82
Anorexia/vomiting 81.44 30.0 91.86 14.29
Nausea 86.60 10.0 90.32 7.14
Tenderness 98.97 20.0 92.31 66.67
Rebound tenderness 86.60 80.0 97.67 38.10
Temperature 61.86 70.0 95.24 15.91
Leukocytosis 80.41 60.0 95.12 78.50
Shift to left 55.67 90.0 98.18 17.31