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. Author manuscript; available in PMC: 2011 Nov 25.
Published in final edited form as: Breast Cancer Res Treat. 2007 Dec 4;112(1):141–147. doi: 10.1007/s10549-007-9833-z

Table 2.

Clinical symptoms of IBC patients from Egypt and the U.S.

Egypt
(n = 48)
U.S.
(n = 12)
No. (%) No. (%) P-value
Duration of symptoms (months)(27, 5)
      Median, Min – Max 4.0, 0.5 – 48.7 1.0, 0.6 – 6.0 0.12a
      Mean ± SD 8.3 ± 10.6 2.1 ± 2.3
Erythema(48, 6)
      Yes 45 (93.8) 5 (83.3)
      No 3 (6.2) 1 (16.7) 0.38b
Edema(48, 5)
      Yes 46 (95.8) 5 (100.0)
      No 2 (4.2) 0 1.00b
Peau D’orange(42, 6)
      Yes 39 (92.9) 4 (66.7)
      No 3 (7.1) 2 (33.3) 0.11b
Clinical symptoms(48, 7) c
      With all 3 symptoms 37 (77.1) 2 (28.6)
      With 1 or 2 symptoms 11 (22.9) 5 (71.4) 0.02b
Palpable mass(42, 7)
      Yes 35 (83.3) 5 (71.4)
      No 7 (16.7) 2 (28.6) 0.60b
Ulceration(42, 1)
      Yes 5 (11.9) 1 (100.0)
      No 37 (88.1) 0 0.14b
a

Mann-Whitney's U-test;

b

Fisher's exact test;

c

The first group included cases with all 3 symptoms of erythema, edema, and peau d'orange, and the other group included all other cases with clinical information available.