(This commentary was not written by CRD, but by the authors of the DH Register.) 1) There is poor quality evidence concerning the critical parameters in this model and so it's findings are speculative, awaiting better trial data. 2) The assumption of normal life expectancy (30 additional years) for survivors to 5 years appears optimistic. 3) These are based on charges using cost-to-charge adjustments. 4) There were no health omissions.