Table 2

Responses to selected knowledge items from the Breast Cancer Surgery Decision Quality Instrument
Patients N (%) Healthy Volunteers N (%) Providers N (%)
For most women with early breast cancer, how much would waiting 4 weeks to make a treatment decision affect their chances of survival?
A lot 57 (13) 4 (11) 1 (1)
Somewhat 62 (14) 16 (46) 1 (1)
A little or not at all* 263 (60) 13 (37) 85 (97)
Not sure 55 (13) 2 (6) 1 (1)
    With treatment
, about how many women diagnosed with early breast cancer will eventually die of breast cancer?
Most will die of breast cancer 4 (1) 0 0
About half will die of breast cancer 16 (4) 9 (26) 1 (1)
Most will die of something else* 312 (71) 24 (69) 87 (99)
Not sure 106 (24) 2 (6) 0
After which treatment is it more likely that women will need to have another operation to remove the tumor?
Lumpectomy* 304 (70) 30 (86) 88 (100)
Mastectomy 3 (1) 0 0
Equally likely for both 47 (11) 4 (11) 0
Not sure 78 (18) 1 (3) 0
On average, which women with early breast cancer live longer?
Women who have a mastectomy 42 (10) 9 (26) 3 (3)
Women who have a lumpectomy and radiation 17 (4) 2 (6) 1 (1)
There is no difference* 245 (57) 11 (31) 84 (96)
Not sure 129 (30) 13 (37) 0
On average, which women have a higher chance of having cancer come back in the breast that has been treated?
Women who have a mastectomy 1 (0.2) 0 0
Women who have a lumpectomy and radiation* 202 (46) 23 (68) 67 (77)
There is no difference 124 (28.5) 4 (12) 19 (22)
Not sure 108 (25) 7 (21) 1 (1)

*Indicates the correct answer.

Sepucha et al.

Sepucha et al. BMC Medical Informatics and Decision Making 2012 12:51   doi:10.1186/1472-6947-12-51

Open Data