Fig. 2.
Incremental cost-effectiveness ratio (ICER) tornado diagram for one-way sensitivity analysis for the strategies intraoperative cell salvage high risk only versus no intraoperative cell salvage. The vertical line denotes the base-case expected value ($34,881). Variation around the variables listed induces a variation of 10% or greater from the base-case ICER. The utility of the well state after transfusion is the most sensitive parameter. The probability of using cell salvage and the disutility of hysterectomy are least influential to the results of the model (not shown).