Table 2.
Differences in clinical characteristics between women with (n=110) and without (n=280) breast pain prior to breast cancer surgery
| Characteristic | No Breast Pain 71.8% (n=280) Mean (SD) |
Breast Pain 28.2% (n=110) Mean (SD) |
Statistics | |
|---|---|---|---|---|
|
| ||||
| Body mass index (kg/m2) | 27.0 (6.3) | 26.1 (5.7) | n.s. | |
|
| ||||
| Karnofsky performance status score | 94.0 (10.3) | 90.9 (10.1) | t=2.66, p=0.008 | |
|
| ||||
| Self-administered comorbidity questionnaire score | 4.3 (2.8) | 4.2 (3.1) | n.s. | |
|
| ||||
| Number of biopsies in the last year | 1.5 (0.8) | 1.6 (0.8) | U= 12887.0, p=0.006 | |
|
| ||||
| % (n) | % (n) | |||
|
| ||||
| Stage of Disease | Stage 0 | 17.7 (47) | 16.0 (17) | n.s. |
|
| ||||
| Stage I | 39.6 (105) | 31.1(33) | ||
|
| ||||
| Stage IIA/IIB | 34.7 (92) | 40.6 (43) | ||
|
| ||||
| Stage IIIA-IV | 7.9 (21) | 12.3 (13) | ||
|
| ||||
| Mastitis | 11.6 (32) | 14.0 (15) | n.s. | |
|
| ||||
| Fibrocystic or cystic breast disease | 17.8 (48) | 22.9 (24) | n.s. | |
|
| ||||
| Non-cancer surgery on the affected breast | 10.0 (28) | 12.7 (14) | n.s. | |
|
| ||||
| Non-cancer surgery on the affected arm | 4.3 (12) | 1.8 (2) | n.s. | |
|
| ||||
| Non-cancer surgery on the affected hand | 5.0 (14) | 6.4 (7) | n.s. | |
|
| ||||
| Injury on the affected arm | 15.0 (42) | 14.5 (16) | n.s. | |
|
| ||||
| Injury on the affected hand | 9.6 (27) | 10.9 (12) | n.s. | |
|
| ||||
| Gone through menopause | 67.9 (186) | 53.8 (57) | F.E.=0.012 | |
|
| ||||
| Received neoadjuvant therapy | 21.1 (59) | 17.3 (19) | n.s. | |
kg/m2 = kilograms/meter squared; n.s. = not significant