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Table 3 Associated factors with malignant IPMNs

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

  A     B  
variables Univariable Multivariable    Multivariable  
  Model 1 Model 2 Model3 Model 1 Model 2
OR (95%CI) OR (95%CI) OR (95%CI) OR (95%CI) OR (95%CI) OR (95%CI)
Age 0.99(0.95–1.03) 0.97(0.93–1.02) 0.98(0.93–1.02) 0.97(0.93–1.02) 0.97(0.93–1.02) 0.97(0.93–1.02)
Sex 0.54(0.26–1.15) 0.57(0.24–1.38) 0.56(0.23–1.37) 0.56(0.23–1.36) 0.84(0.33–2.18) 0.83(0.32–2.15)
Size (cm) 1.09(0.91–1.30) 1.06(0.87–1.29) 1.05(0.86–1.28) 1.04(0.85–1.27) 1.07(0.87–1.31) 1.06(0.87–1.30)
Type
 Main-duct 1 1 1 1 1 1
 Branch-duct 0.07(0.02–0.21) 0.06 (0.02–0.21) 0.06 (0.02–0.20) 0.06 (0.02–0.21) 0.08 (0.02–0.27) 0.08 (0.02–0.28)
 Mixed 0.34(0.13–0.94) 0.36(0.12–1.07) 0.34(0.11–1.04) 0.35(0.12–1.08) 0.39(0.13–1.24) 0.41(0.13–1.28)
Location
 Head-neck 1 1 1 1 1 1
 Body-Tail 0.54(0.26–1.15) 0.61(0.24–1.52) 0.51(0.19–1.37) 0.53(0.19–1.43) 0.44(0.16–1.21) 0.47(0.17–1.28)
Ferritin (×100, ng/ml)
Ferritin (> 149 vs ≤ 149 ng/ml)
1.19(1.04–1.35) 1.19(1.02–1.39) 1.19(1.02–1.39) 1.18(1.01–1.39) 5.70(1.80–18.11) 5.64(1.78–17.92)
  1. A: Serum ferritin was continuous variable; Model 2 was adjusted with pancreatitis and chronic cholecystitis; Model 3 was additionally adjusted with diabetes
  2. B: Serum ferritin was categorical variable; Model 1 was adjusted with pancreatitis and chronic cholecystitis; Model 2 was additionally adjusted with diabetes
  3. CI confidence interval; OR odds ratio