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Table 2 Comparison of symptoms required for IBC, as recorded in the case–control study (N = 34) versus in medical records for patients recruited in the NAS

From: Reliability of medical records in diagnosing inflammatory breast cancer in Egypt

  Peau d’orangea Erythemab Increase in breast size
Case–control study Case–control study Case–control study
Yes No Yes No Yes No
Medical records
 Yes 24 0 16 2 7 0
 No 6 4 14 2 24 3
  Sensitivity = 0.8 Sensitivity = 0.53 Sensitivity = 0.22
Specificity = 1.0 Specificity = 0.5 Specificity = 1.0
p = 0.014 p = 0.0027 p < 0.0001
  1. This table excludes the 6 cases from the case–control study that had no medical records
  2. p-values are derived from McNemar’s tests
  3. a Edema and/or Peau d’Orange
  4. b Erythema and/or inflammation