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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Breast. 2012 Aug 1;22(3):273–276. doi: 10.1016/j.breast.2012.07.007

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