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Table 1 Patient demographics according to group (MG versus A-MRI + MG)

From: Randomized trial of surveillance with abbreviated MRI in women with a personal history of breast cancer– impact on patient anxiety and cancer detection

  Group 1-MG (n = 94) % Group 2-A-MRI + MG (n = 104) % P valueb
Age (years)
 Mean 59.0   58.2   0.44
 Median 58.5   58   
 Range 35–80   38–83   
Family history breast and/ or ovarian cancer
 Yes 26 28% 32 31% 0.63
 No 68 72% 71 68% 0.53
 Unknown 0 0% 1 1% 0.34
Surgery modality
 Lumpectomy 52 55% 69 66% 0.11
 Mastectomy 42 45% 35a 34% 0.11
Months since diagnosis
 < 24 42 45% 44 42% 0.73
 24 ≤ x < 60 37 39% 39 38% 0.79
 60 ≤ x ≤ 120 13 14% 14 13% 0.94
 > 120 2 2% 6 6% 0.19
 Unknown 0 0% 1 1% 0.34
Breast density
 ACR A 4 4% 7 7% 0.45
 ACR B 45 48% 46 44% 0.61
 ACR C 44 47% 45 43% 0.50
 ACR D 1 1% 6 6% 0.73
Tumor histology
 Ductal carcinoma in situ 2 2% 7 7% 0.12
 Invasive ductal carcinoma 84 89% 89 86% 0.31
 Invasive lobular carcinoma 6 6% 8 8% 0.74
 Mucinous carcinoma 1 1% 0 0% NA
 Unknown 1 1% 0 0% NA
Tumor stage of initial invasive cancer
 T1 51 54% 44 42% 0.19
 T2 27 29% 38 37% 0.14
 T3 5 5% 8 8% 0.43
 T4 8 9% 5 5% 0.35
 NA 1 1% 2 2% 0.59
 N0,NX 51 54% 54 52% 0.92
 N1 31 33% 33 32% 0.92
 M0 94 100% 104 100% NA
Hormone receptor status invasive cancer
 ER positive Her2 negative 69 73% 66 63% 0.33
 Her2 positive 12 13% 19 18% 0.21
 Triple negative 6 6% 12 12% 0.16
 Unknown 4 4% 0 0% NA
  1. atwo patients had mastectomy and contralateral lumpectomy
  2. busing Fisher’s exact test for comparison between the two groups