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Table 3 Comparison of in situ breast cancer treatment between organised and opportunistic mammography screening in women aged 50–69 years. Fribourg cancer registry 2006–2014

From: Comparison between opportunistic and organised breast cancer mammography screening in the Swiss canton of Fribourg

  Organised screening Number (%) Opportunistic screening Number (%) ORa CI95%a P-value
Breast Surgery
 Tumorectomy 57 (81.4) 18 (85.7) 1 [0.19; 2.86] 0.652
 Mastectomy 13 (18.6) 3 (14.3) 0.7
Radiation therapy
 Yes 48 (66.7) 15 (68.2) 1 [0.34; 2.60] 0.895
 No 24 (33.3) 7 (31.8) 0.9
Hormone therapy c
 Yes 29 (40.3) 8 (36.4) 1 [0.44; 3.17] 0.742
 No 43 (59.7) 14 (63.6) 1.2
Time to treatment [days]
 Mean (SDa) 12.9 (9.3) 12.9 (7.6)    0.901b
  1. Calculated by logistic regression (reference: organised screening);
  2. aOR Odds ratio, CI Confidence interval, SD Standard deviation;
  3. bP-value calculated by Mann-Whitney-U-Test;
  4. cTreatment begun, but not necessarily completed