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Table 4 Associated factors with invasive carcinoma

From: The association between serum ferritin levels and malignant intraductal papillary mucinous neoplasms

variables Univariable Multivariable   
  Model 1 Model 2 Model 3
OR (95%CI) OR (95%CI) OR (95%CI) OR (95%CI)
Age 0.98(0.94–1.02) 0.97(0.92–1.02) 0.97(0.92–1.03) 0.97(0.92–1.03)
Sex 0.89(0.37–2.74) 1.17(0.42–3.29) 1.17(0.42–3.29) 1.17(0.41–3.32)
Size (cm) 1.15(0.35–2.25) 0.99(0.76–1.29) 0.99(0.76–1.29) 0.93(0.70–1.24)
Type
  Main-duct 1 1 1 1
  Branch-duct 0.07(0.02–0.30) 0.06 (0.01–0.26) 0.06 (0.01–0.26) 0.06 (0.01–0.27)
  mixed 0.43(0.15–1.23) 0.37(0.12–1.18) 0.37(0.12–1.19) 0.39(0.12–1.26)
Location
  Head-neck 1 1 1 1
  Body-Tail 0.55(0.20–1.49) 0.57(0.18–1.82) 0.57(0.17–1.92) 0.64(0.19–2.19)
Ferritin (×100, ng/ml) 1.14(1.001–1.29) 1.14 (0.99–1.32) 1.14 (0.98–1.32) 1.11 (0.96–1.30)
  1. Model 2 was adjusted with pancreatitis and chronic cholecystitis
  2. Model 3 was additionally adjusted with diabetes
  3. CI confidence interval; OR odds ratio