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Table 3 Univariate logistic analysis and multivariate logistic regression analysis of related factors of peptic ulcer

From: Age is the only predictor for upper gastrointestinal malignancy in Chinese patients with uncomplicated dyspepsia: a prospective investigation of endoscopic findings

Factors Univariate Multivariate
OR (95% CI) p OR (95% CI)* p
Age, per 1 year 1.01 (1.00–1.01) 0.020 1.01 (1.00–1.02) 0.004
Gender, male 2.77 (2.29–3.34) ≤ 0.001 2.40 (1.95–2.95) ≤ 0.001
Smoking history 4.23 (3.07–5.84) ≤ 0.001 2.13 (1.40–3.23) ≤ 0.001
Drinking history 2.33 (1.58–3.42) ≤ 0.001 0.86 (0.52–1.41) 0.536
Family history 0.91 (0.50–1.67) 0.762   
NSAIDs and antithrombotic agents 1.22 (0.60–2.48) 0.588   
Family income per capita   0.049   
 < 3000 yuan/month 1.50 (1.03–2.19) 0.035 1.47 (0.97–2.23) 0.072
 3000–10,000 yuan/month 1 - 1 -
 > 10,000 yuan/month 0.68 (0.35–1.30) 0.243 0.67 (0.33–1.33) 0.250
Symptom   0.004   
 Dyspeptic symptoms 1.39 (1.03–1.87) 0.031 1.30 (0.94–1.78) 0.110
 Reflux symptoms 1.43 (0.96–2.14) 0.081 1.40 (0.91–2.16) 0.127
 Alarm symptoms 2.16 (1.43–3.27)  ≤ 0.001 1.84 (1.16–2.90) 0.009
 Other symptoms 1 1
Symptom duration   0.012   
 x < 1 week 1.75 (1.28–2.39) 0.001 1.75 (1.24–2.49) 0.002
 1 week ≤ x < 1 month 1.26 (0.98–1.61) 0.071 1.28 (0.98–1.67) 0.072
 1 month ≤ x < 3 months 1.13 (0.88–1.44) 0.337 1.09 (0.84–1.41) 0.539
 3 months ≤ x < 6 months 1.16 (0.80–1.67) 0.440 1.18 (0.79–1.76) 0.411
  ≥ 6 months 1 1
Current H. pylori infection 6.46 (5.27–7.92)  ≤ 0.001 6.37 (5.17–7.85)  ≤ 0.001
  1. *Adjusted by age, gender, smoking history, drinking history, family income per capita, symptom, symptom duration and H. pylori