Table 2

Adjuvant endocrine and chemotherapy by nodal status and center (see Table 1 <$REFLINK> )a

Adjuvant therapyMunichbRotterdamc
N0N1N0N1
None271 (67.9%)12 (3.3%)1337 (100%)663 (52.0%)
Endocrine only69 (17.3%)140 (38.4%)0161 (12.6%)
Chemo only56 (14.0%)160 (43.8%)0430 (33.7%)
Chemo and endocrine3 (0.8%)53 (14.5%)021 (1.6%)
  • a See Table 1 <$REFLINK> . Patients with an uncertain number of affected lymph nodes were included for computing the univariate distributions of ranked variables (see “Materials and Methods”) but not in multivariate survival analysis.

  • b Three Munich patients with missing information on chemotherapy are not included.

  • c 45 Rotterdam patients with an uncertain number of affected lymph nodes are not included.