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Patient characteristics.
| Breast cancer patients (n = 158) | Control (n = 20) | p value | |
|---|---|---|---|
| Age, years (SD) | 51.2 (9.8) | 51.3 (6.9) | 0.99 |
| BMI, kg/m2 (SD) | 30.3 (7.6) | 29.1 (7.4) | 0.49 |
| Ethnicity (%) | 0.94 | ||
| Caucasian African American Hispanic Other |
92 (58.2) 53 (33.5) 6 (3.8) 7 (4.4) |
13 (65.0) 6 (30.0) 1 (5.0) 0 |
|
| Tobacco use (%) | 30 (19.0) | 1 (5.0) | 0.12 |
| Alcohol use (%) | 81 (51.2) | 15 (75.0) | 0.045 |
| Postmenopausal (%) | 89 (56.3) | 11 (55.0) | 0.91 |
| Mean S1P, pmol/mL (SD) | 1221.7 (439.4) | 1139 (259.7) | 0.412 |
