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Table 3 Cross-tabulation of the number of mastectomies and conservative surgery as derived from the existing algorithm based on HDR data and from surgical registry data in the two study hospitals

From: Catching and monitoring clinical innovation through performance indicators. The case of the breast-conserving surgery indicator

  Surgical registry Total
Conservative Reconstructive Mastectomy
Florence
 HDR database
  Conservative: (85.2*, 85.3*) 72.8% (123) 0.6% (1) 0 73.4% (124)
  Mastectomy (85.4*) 0.6% (1) 17.8% (30) 8.3% (14) 26.6% (45)
 Total 73.4% (124) 18.3% (31) 8.3% (14) 100% (169)
Pisa
 HDR database
  Conservative: (85.2*, 85.3*) 52.1% (87) 10.8% (18) 0 62.9% (105)
  Mastectomy (85.4*) 0 27.5% (46) 9.6% (16) 37.1% (62)
 Total 52.1% (87) 38.3% (64) 9.6% (16) 100% (167)