Table 1.
Patient and Disease Characteristics
| Variable | Right RT (n = 41), n (%) | Left RT (n = 47), n (%) | Overall (n = 88), n (%) | P, Fisher Exact |
|---|---|---|---|---|
| Age at Dx, y | .3869 | |||
| 18-39 | 8 (20) | 8 (17) | 16 (18) | |
| 40-49 | 13 (32) | 12 (26) | 25 (28) | |
| 50-59 | 12 (29) | 10 (21) | 22 (25) | |
| ≥60 | 8 (20) | 17 (36) | 25 (28) | |
| Race | .3410 | |||
| Hispanic | 33 (80) | 32 (68) | 65 (74) | |
| Asian | 4 (10) | 9 (19) | 13 (15) | |
| White | 1 (2) | 0 | 1 (1) | |
| African American | 0 | 2 (4) | 2 (2) | |
| Other | 3 (7) | 4 (9) | 7 (8) | |
| Number of CV Risk Factors | .2723 | |||
| 0 | 16 (39) | 8 (17) | 24 (27) | |
| 1 | 13 (32) | 17 (36) | 30 (34) | |
| 2 | 5 (12) | 12 (26) | 17 (19) | |
| 3 | 5 (12) | 6 (13) | 11 (13) | |
| 4 | 1 (2) | 4 (9) | 5 (6) | |
| 5 | 1 (2) | 0 | 1 (1) | |
| ER Status | .1984 | |||
| Negative | 22 (54) | 18 (38) | 40 (45) | |
| Positive | 19 (46) | 29 (62) | 48 (55) | |
| PR Status | 1.0000 | |||
| Negative | 24 (59) | 27 (57) | 51 (58) | |
| Positive | 17 (41) | 20 (43) | 37 (42) | |
| Tumor Grade | .6252 | |||
| Intermediate | 9 (22) | 13 (28) | 22 (25) | |
| High | 32 (78) | 34 (72) | 66 (75) | |
| Pathologic T Stage | .1646 | |||
| T0 | 15 (37) | 9 (19) | 24 (27) | |
| T1 | 11 (27) | 18 (38) | 29 (33) | |
| T2 | 11 (27) | 9 (19) | 20 (23) | |
| T3 | 3 (7) | 9 (19) | 12 (14) | |
| T4 | 1 (2) | 2 (4) | 3 (3) | |
| Pathologic N Stage | .0273 | |||
| N0 | 24 (59) | 22 (47) | 46 (52) | |
| N1 | 4 (10) | 16 (34) | 20 (23) | |
| N2 | 9 (22) | 4 (9) | 13 (15) | |
| N3 | 4 (10) | 5 (11) | 9 (10) | |
| Extent of Surgery | .3697 | |||
| Mastectomy | 30 (73) | 30 (64) | 60 (68) | |
| Lumpectomy | 11 (27) | 17 (36) | 28 (32) | |
| Adriamycin | .5105 | |||
| Yes | 16 (39) | 15 (32) | 31 (35) | |
| No | 25 (61) | 32 (68) | 57 (65) |
Abbreviations: CV = cardiovascular; Dx = diagnosis; ER = estrogen receptor; PR = progesterone receptor; RT = radiation.