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Table 3 Univariate and multivariate analysis to identify factors that independently predict positive findings on small bowel endoscopy in patients with negative upper and lower endoscopy

From: Diagnostic yield of esophagogastroduodenoscopy, colonoscopy, and small bowel endoscopy in Thai adults with chronic diarrhea

Factors Univariate analysis p value Multivariate analysis p value
Odds ratio (95%CI) Odds ratio (95% CI)
Age > 50 years 0.187 (0.07–0.50) < 0.001 0.37 (0.11–1.22) 0.101
Body mass index < 23 kg/m2 10.84 (1.43–82.36) 0.021 6.20 (0.64–60.48) 0.116
Male gender 1.89 (0.76–4.67) 0.167   
Bloody stool 2.23 (0.68–7.24) 0.182   
Steatorrhea 1.52 (0.18–12.99) 0.701   
Abdominal pain 2.68 (1.08–6.66) 0.033 1.34 (0.42–4.29) 0.616
Fever 2.15 (0.24–19.31) 0.494   
Weight loss > 10% of body weight 10.08 (3.52–28.83) < 0.001 3.80 (1.09–13.20) 0.035
Edema 4.22 (2.10–8.49) < 0.001 2.71 (1.13–6.50) 0.025
Hemoglobin level < 12 g/dL 1.43 (0.57–3.59) 0.445   
Albumin level < 3.5 g/dL 19.38 (5.49–68.39) < 0.001 6.68 (1.59–28.01) 0.009
  1. CI confidence interval
  2. A p value < 0.05 indicates statistical significance