Laboratory Markers in the Prediction of Acute Perforated Appendicitis in Children

Table 4

Risk factors of perforated appendicitis in children.

Factors	value	Adjusted OR (95% CI)
Duration of symptoms >24 h	0.34	0.98 (0.83–1.25)
WBC (>12000 mm^3)	0.06	1.09 (0.67–1.85)
CRP (>8 mg/dL)	0.12	1.36 (0.71–1.92)
WBC (>12000 mm^3) + CRP (>8 mg/dL)	0.001	4.62 (2.56–6.23)
Neutrophils (>74%)	0.13	1.21 (0.53–1.77)
Neutrophils (>74%) + CRP (>8 mg/dL)	0.001	5.67 (3.79–8.54)
Serum sodium (<135 mEq/L)	0.21	0.78 (1.45–3.61)

WBC, white blood cell; CRP, C-reactive protein. Bold denotes significant P value less 0.05.