Cost-effectiveness of atorvastatin (10mg) in patients with type 2 diabetes without coronary heart disease: CARDS trial analysis and extrapolation by Raikou, M, McGuire, A, Colhoun, H, Betteridge, J, Durrington, P, Hitman, G, Neil, A, Livingstone, S, Thomason, M, Mackness, M, Charlton-Menys, V, Fuller, J, Investigato, C