Table 5.
Results of sensitivity analysis of the duration of disutility related to surgical risk-reducing strategies
| Strategy | Costs | QALYs | dCostsa | dQALYsb | ICER | ||
|---|---|---|---|---|---|---|---|
| Duration of disutility for the surgical risk-reducing strategies | |||||||
| Base case (for 1 year) | for 5 years | for 10 years | |||||
| BRCA1 | |||||||
| IS | 141,293 | 14.48 | Reference | Abs. dominated | |||
| CP | 136,957 | 15.24 | − 4336 | 0.76 | (for 5 years) | Abs. dominated | |
| PBM | 115,802 | 17.28 | − 25,491 | 2.80 | 2.43 | 2.05 | Abs. dominated |
| PBSO | 112,814 | 16.79 | − 28,479 | 2.31 | 2.01 | 1.73 | Abs. dominated |
| PBM & PBSO | 76,639 | 19.24 | − 64,654 | 4.76 | 4.10 | 3.40 | Dominant |
| Brca2 | |||||||
| IS | 102,245 | 15.52 | Reference | Abs. dominated | |||
| PBSO | 97,091 | 16.85 | − 5154 | 1.33 | 1.03 | 0.74 | Abs. dominated |
| CP | 78,478 | 17.58 | − 23,767 | 2.07 | (for 5 years) | Abs. dominated | |
| PBM | 70,562 | 19.24 | − 31,683 | 3.73 | 3.34 | 2.93 | Abs. dominated |
| PBM & PBSO | 60,770 | 19.85 | − 41,475 | 4.34 | 3.67 | 2.95 | Dominant |
adCosts: average difference in costs per women who opted for prophylactic measures compared to intensified surveillance (reference)
bdQALYs: average difference in QALYs per woman who opted for prophylactic measures compared to intensified surveillance (reference)
QALYs (quality-adjusted life years), ICER (incremental cost-effectiveness ratio), abs. (absolutely), IS (intensified surveillance), PBM (prophylactic bilateral mastectomy), PBSO (prophylactic bilateral salpingo-oophorectomy), CP (chemoprevention)