Patient and primary tumour characteristics, for LRRs stratified by length of the DFI and tested for differences between the DFI groups.

Abbreviations: LRR = locoregional recurrence, SP = second primary, DFI = disease-free interval, ER = oestrogen receptor, PR = progesterone receptor, Her2-Neu = human epidermal growth factor receptor 2Patient and primary tumour characteristics, for LRRs stratified by length of the DFI and tested for differences between the DFI groups.