Table 1. Sociodemographic and Clinical Characteristics of the Study Cohort.
| Characteristic | Eligible participants with study MRI, No. (N = 355) | Participantsa | P valueb | |
|---|---|---|---|---|
| Included (n = 244) | Excluded (n = 111) | |||
| Age, median (range), y | 59 (34-87) | 59 (34-85) | 59 (35-87) | .39 |
| Race | ||||
| Black/African American | 53 | 30 (57) | 23 (43) | .02 |
| White | 271 | 197 (73) | 74 (27) | |
| Otherc | 31 | 17 (55) | 14 (45) | |
| Ethnicity | ||||
| Hispanic | 21 | 9 (43) | 12 (57) | .01 |
| Non-Hispanic or unknown | 334 | 235 (70) | 99 (30) | |
| Insurance status | ||||
| Private insurance | 273 | 188 (69) | 85 (31) | .04 |
| Medicare or other government insurance | 64 | 48 (75) | 16 (25) | |
| Medicaid or uninsured | 18 | 8 (44) | 10 (56) | |
| DCIS grade | ||||
| Low | 58 | 39 (67) | 19 (33) | .58 |
| Intermediate | 144 | 95 (66) | 49 (34) | |
| High | 140 | 102 (73) | 38 (27) | |
| Unknown | 13 | 8 (62) | 5 (38) | |
| DCIS longest diameter, median (IQR), mmd | 11 (6-20) | 11.5 (6-22) | 11 (8-15) | .54e |
| Decision autonomy preference | ||||
| My surgeon should make the decision with little input from me | 3 | 2 (67) | 1 (33) | .39e |
| My surgeon should make the decision but seriously consider my opinion | 23 | 19 (83) | 4 (17) | |
| My surgeon and I should make the decision together | 230 | 174 (76) | 56 (24) | |
| I should make the decision after seriously considering my surgeon’s opinion | 73 | 49 (67) | 24 (33) | |
| Missing | 26 | 0 | 26 (100) | |
| Diagnostic mammography TMI summated scale score, median (range)f | 90.5 (42.9-100.0) | 90.5 (42.9-100.0) | 90.5 (52.4-100.0) | .59 |
| ASC Cancer Worry subscale score, median (range)g | 2.3 (1.0-4.0) | 2.0 (1.0-4.0) | 2.3 (1.0-4.0) | .19e |
| PROMIS-10 score, median (range)h | ||||
| Physical T score | 50.8 (26.7-67.7) | 54.1 (26.7-67.7) | 50.8 (29.6-67.7) | .08e |
| Mental T score | 50.8 (31.3-67.6) | 50.8 (31.3-67.6) | 50.8 (38.8-67.6) | .18e |
Abbreviations: ASC, Assessment of Survivor Concerns; DCIS, ductal carcinoma in situ; MRI, magnetic resonance imaging; PROMIS-10, Patient-Reported Outcomes Measurement Information System–10; TMI, Testing Morbidities Index.
Data are presented as number (percentage) of participants unless otherwise indicated. Percentages correspond to rows.
P values compare participants in the analysis set vs those excluded. For continuous variables, the P value corresponds to the t test or the nonparametric Wilcoxon rank sum test as appropriate. For categorical variables, the P value corresponds to the exact version of the χ2 test.
American Indian/Alaska Native, Asian, multiple races reported, not reported, and Unknown.
As reported on the diagnostic mammogram.
The P value for the comparison was performed after removing missing values.
The TMI is a 7-item instrument that evaluates the temporary changes in quality of life before, during, and after a test (0 represents the worst possible and 100 the hypothetical ideal test experience).
Each ASC item has a 4-category response scale of 1 (not at all), 2 (a little bit), 3 (somewhat), and 4 (very much). The mean of the 3 cancer worry items (fear of cancer recurrence, new cancer diagnosis, and diagnostic tests) was determined for each participant, arriving at a semicontinuous measure ranging from 1 to 4, in which higher values indicate higher levels of cancer worry.
A 10-item questionnaire addressing global physical and mental health. Raw scores are converted to mental and physical T scores. T score distributions are standardized such that a score of 50 represents the mean for the US general population, and the SD around that mean is 10 points. Higher scores represent better HRQOL.