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*.
Predictors
Appendicitis coefficients (95% CI)
value
OB-GYNc coefficients (95% CI)
value
Assigned score
Appendicitis score
OB-GYN score
Guarding/rebound tenderness
1.85 (1.12, 2.59)
<0.001
0.40 (−0.54, 1.34)
0.407
1.9
0
Pregnancy
−1.70 (−3.28, −0.12)
0.035
2.39 (1.05, 3.73)
<0.001
−1.7
2.4
Leukocytosis
1.53 (0.78, 2.29)
<0.001
−0.13 (−1.11, 0.84)
0.787
1.5
0
Neutrophil ≥ 75%
1.25 (0.35, 2.15)
0.007
1.61 (0.49, 2.73)
0.005
1.3
1.6
RLQ tenderness
1.52 (0.40, 2.64)
0.008
−0.42 (−1.46, 0.62)
0.429
1.5
0
LLQ tenderness
−1.11 (−2.26, 0.05)
0.062
1.93 (0.87, 2.98)
<0.001
0
1.9
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
−1.5
0
NSAP as baseline group, RLQ: right lower quadrant, and LLQ: left lower quadrant.