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Table 2 Factor associated with appendicitis: multiple logistic regression analysis

From: Developing and validating of Ramathibodi Appendicitis Score (RAMA-AS) for diagnosis of appendicitis in suspected appendicitis patients

Domain

Parameters

Coefficient

SE

p value

OR(95%CI)

Scoring

Symptoms

Progression of pain

1.04

0.4

0.007

2.8

(1.3–5.9)

1.04

Aggravation of pain by cough or movement

0.78

0.3

0.009

2.2

(1.2–3.8)

0.78

Migration of pain

0.80

0.3

0.004

2.6

(1.3–3.7)

0.77

Signs

Body temperature ≥ 37.8 °C

1.64

0.5

< 0.001

5.1

(2.1–12.1)

1.64

Rebound tenderness

1.53

0.3

< 0.001

4.6

(2.7–7.7)

1.53

Lab results

WBC > 10,000 cell/mm3

0.91

0.3

0.005

2.6

(1.3–5.0)

0.91

Neutrophil > 75%

0.69

0.3

0.010

2.3

(1.2–4.1)

0.69

Constant

− 3.37

Total

3.99

  1. WBC white blood cell count