Research Article

Clinical Scoring for Diagnosis of Acute Lower Abdominal Pain in Female of Reproductive Age

Table 2

Coefficients (95% confidence interval: CI) and assigned item scores of selected predictors for diagnosis of appendicitis or common obstetrics and gynecological conditions (OB-GYNc), from polynomial logistic regression analysis*.

PredictorsAppendicitis coefficients 
(95% CI)
valueOB-GYNc coefficients 
(95% CI)
valueAssigned score
Appendicitis 
score
OB-GYN 
score

Guarding/rebound tenderness1.85
(1.12, 2.59)
<0.0010.40
(−0.54, 1.34)
0.4071.90
Pregnancy−1.70
(−3.28, −0.12)
0.0352.39
(1.05, 3.73)
<0.001−1.72.4
Leukocytosis1.53
(0.78, 2.29)
<0.001−0.13
(−1.11, 0.84)
0.7871.50
Neutrophil ≥ 75%1.25
(0.35, 2.15)
0.0071.61
(0.49, 2.73)
0.0051.31.6
RLQ tenderness1.52
(0.40, 2.64)
0.008−0.42
(−1.46, 0.62)
0.4291.50
LLQ tenderness−1.11
(−2.26, 0.05)
0.0621.93
(0.87, 2.98)
<0.00101.9
Diarrhea−1.44
(−2.41, −0.48)
0.003−2.26
(−3.79, −0.74)
0.004−1.4−2.3
Constant−1.45
(−2.61, −0.30)
0.014−0.57
(−1.63, 0.49)
0.290−1.50

NSAP as baseline group, RLQ: right lower quadrant, and LLQ: left lower quadrant.