From: The association between serum ferritin levels and malignant intraductal papillary mucinous neoplasms
 | A |  |  |  | B |  |
---|---|---|---|---|---|---|
variables | Univariable | Multivariable | Â | Â | Multivariable | Â |
 | 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) |