Table 2 Adjuvant therapy by screening status and nodal status for age group 50–69 years in 1990–1997

From: Trends in the usage of adjuvant systemic therapy for breast cancer in the Netherlands and its effect on mortality

Period N− (N) H (%) C (%) H+C (%) All (%) N+ (N) H (%) C (%) H+C (%) All (%) All tumours (N) H (%) C (%) H+C (%) All (%)
Screen-detected
 1990 180 2.2 0.0 0.0 2.2 64 75.0 3.1 0.0 78.1 244 21.3 0.8 0.0 22.1
 1991 422 6.6 0.2 0.0 6.8 170 62.9 10.0 7.1 80.0 592 22.8 3.0 2.0 27.9
 1992 798 8.3 0.0 0.0 8.3 307 73.9 6.8 2.9 83.6 1105 26.5 1.9 0.8 29.2
 1993 985 7.4 0.1 0.0 7.5 343 74.9 4.4 4.4 83.7 1328 24.8 1.2 1.1 27.2
 1994 1160 2.8 0.1 0.0 2.9 376 77.4 5.3 2.4 85.1 1536 21.1 1.4 0.6 23.0
 1995 1146 3.6 0.4 0.1 4.1 415 79.3 7.2 2.9 89.4 1561 23.7 2.2 0.8 26.8
 1996 1293 3.8 0.3 0.0 4.1 442 75.6 9.7 3.9 89.2 1735 22.1 2.7 1.0 25.8
 1997 1300 4.9 0.9 0.1 5.9 448 78.4 16.1 3.6 98.1 1748 23.7 4.7 1.0 29.4
 1990–97 7284 4.9 0.3 0.0 5.2 2565 75.8 8.6 3.5 87.9 9849 23.4 2.5 0.9 26.8
 1990–97 T1N0 4.6 0.2 0.0 4.8 T1N1 74.9 8.7 3.3 86.9      
  T2+N0 9.3 1.2 0.2 10.7 T2+N1 76.3 8.3 3.7 88.3      
Not screen-detected
 1990 1062 8.2 0.9 0.7 9.8 792 72.7 5.6 1.9 80.2 1854 35.8 2.9 1.2 39.8
 1991 1171 11.2 1.0 0.6 12.8 853 76.9 11.3 1.3 89.5 2024 38.9 5.3 0.9 45.1
 1992 1227 10.3 1.6 1.0 12.9 901 75.0 7.1 2.8 84.9 2128 37.7 3.9 1.7 43.4
 1993 1194 9.1 1.8 0.9 11.8 850 73.9 9.8 4.0 87.7 2044 36.1 5.1 2.2 43.3
 1994 1343 5.1 1.9 1.4 8.4 1027 72.4 12.1 3.9 88.4 2370 34.3 6.3 2.5 43.0
 1995 1088 4.7 0.8 0.3 5.8 836 76.0 11.1 3.2 90.3 1924 35.7 5.3 1.6 42.5
 1996 1040 6.1 0.7 0.0 6.8 757 71.5 13.2 4.8 89.5 1797 33.6 6.0 2.0 41.6
 1997 1042 7.4 1.7 0.6 9.7 758 70.6 17.7 6.3 94.6 1800 34.0 8.4 3.0 45.4
 1990–97 9167 7.8 1.3 0.7 9.8 6774 73.7 10.9 3.5 88.1 15 941 35.8 5.4 1.9 43.1
 1990–97 T1N0 6.9 1.1 0.8 8.8 T1N1 74.9 10.4 2.9 88.2      
  T2+N0 12.2 2.2 0.8 15.2 T2+N1 73.5 11.6 3.9 89.0      
  1. Source: NETB. H=hormonal therapy, C=chemotherapy.