Appendix Table B
Values of variables for univariate sensitivity analyses Appendix Table B
Values of variables for univariate sensitivity analyses

Table B
Values of variables for univariate sensitivity analyses
Table summary
This table displays the results of Values of variables for univariate sensitivity analyses. The information is grouped by Variable (appearing as row headers), Base case value, Sensitivity analysis value and Source and comments (appearing as column headers).
Variable	Base case value	Sensitivity analysis value	Source and comments
Cost of mammography	$183.00 per screen	$100.00 per screen	Assumption: Reduction in cost
Percent of eligible women who missed screening	0%	50%	In Ontario, 60% of women older than 50 participate in regular screening, about 43% through the organized program. The retention rate after a previous screen is about 85%.^{Note 44}
Screening rates for population	100% first screen	No subsequent screens	Assumption: Impact of repeat screening/retention
Sensitivity	Model calibrated as per empirical data^{Note 45}^{Note 46}	100%	Assumption: Ideal scenario
Specificity	As per empirical data	100%	Assumption: Ideal scenario
Treatment	Surgery, radiation, chemotherapy, hormonal	0% treated	Assumption: Applied to all women in model
Adjuvant chemotherapy	100% of cohort received adjuvant chemotherapy	75% of cohort received chemotherapy	Assumption: Not all patients receive chemotherapy
Utility values	Model values	+ /- 25%	Assumption: Change in utility values
Disutility	Model values	No disutility	Assumption: Change in utility values
Discount rate	Model rate (5%)	0%	Assumption: Applied to all women in model

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