Validation of the Diagnostic Score for Acute Lower Abdominal Pain in Women of Reproductive Age

Table 1

The scoring scheme for appendicitis and obstetrics-gynecological conditions (OB-GYNc) and the criteria used to guide diagnosis of abdominal pain caused by appendicitis, obstetrics, and gynecological conditions (OB-GYNc) or nonspecific abdominal pain (NSAP).

Predictors	Assigned score		Suggested diagnoses	Criteria
	Appendicitis score	OB-GYN score
Guarding or rebound tenderness	1.9	0	Appendicitis	Appendicitis score > OB-GYN score; and appendicitis score >0
Pregnancy	−1.7	2.4
Leukocytosis (WBC ≥10,000/μL)	1.5	0	OB-GYNc	OB-GYN score ≥ appendicitis score; and OB-GYN score >0
Neutrophil ≥75%	1.3	1.6
RLQ tenderness	1.5	0	NSAP	Appendicitis score ≤0; and OB-GYN score ≤0
LLQ tenderness	0	1.9
Diarrhea	−1.4	−2.3
Constant	−1.5	0

RLQ: right lower quadrant; LLQ: left lower quadrant.