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Table 5 Risk factor analysis of late complications on the two factors: incomplete excision and lack of proper bile flow (univariate regression analysis)

From: Proper bile duct flow, rather than radical excision, is the most critical factor determining treatment outcomes of bile duct cysts

  incomplete excision Lack of proper bile flow
Risk ratio 95% confidence limits P-value Risk ratio 95% confidence limits P-value
Type Ia 3.62 1.34 9.74 0.032 65.63 16.36 263.23 < 0.0001
Ic         
Iva 1.65 0.64 4.24 0.21 27 10.32 70.63 < 0.0001
Total   2.33 1.27 4.27 0.006 40.3 18.19 89.35 < 0.0001