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Table 1 Input probabilities in decision-tree model

From: Cost-effectiveness of the prevention of adhesions and adhesive small bowel obstruction after colorectal surgery with adhesion barriers: a modelling study

  Open Laparoscopic   Adhesion barrier strategy
Variable Probability α β Probability α β Source (reference) RR 95% CI Source (reference)
Patients with adhesions 0.889 80 10 0.623 38 23 [19] 0.51 0.43–0.61 [8, 20,21,22]
Patients with ASBO 4 years 0.0856 199 2127 0.0663 77 1085 [23,24,25,26,27,28,29,30] 0.68 0.35–1.32 [8, 20,21,22]
Patients with ASBO treated surgically 0.032 74 2252 0.031 36 1126 [23,24,25,26,27,28,29,30] 0.49 0.28–0.88 [8, 20,21,22]
Patients with repeat surgery 4 years 0.208 64 200 0.209 64 200 [31]    
  1. α patients with event, β patients without event, RR relative risk, CI confidence interval, ASBO adhesive small bowel obstruction