Table 4.

Percentages of women with stage II breast cancer (1,676 women) receiving diagnostic activity, having certain tumor characteristics, and receiving treatment by county

County A, n (%)County B, n (%)P*County C, n (%)P*County D, n (%)P*
Diagnostic activity
    Proliferation status checked251 (63.4)345 (87.6)<0.001401 (85.5)<0.001296 (71.0)<0.05
    Estrogen receptor status checked297 (75.0)375 (95.2)<0.001430 (91.7)<0.001325 (77.9)NS
    No. examined nodes (≥10)184 (46.5)228 (57.9)<0.01343 (73.1)<0.001186 (44.6)NS
Tumor characteristics
    Positive lymph nodal involvement277 (70.0)287 (72.8)NS320 (68.2)NS261 (62.6)<0.05
    Tumor size (21-50)236 (59.6)221 (56.1)NS290 (61.8)NS284 (68.1)<0.05
Detection mode
    Screening142 (35.9)142 (36.0)NS169 (36.0)NS185 (44.4)<0.05
Treatment
    Clinic, main hospital235 (59.3)270 (68.5)<0.01314 (67.0)<0.05353 (84.7)<0.001
    Surgery
        Mastectomy219 (55.3)127 (32.2)<0.001292 (62.3)<0.05207 (49.6)NS
        Breast-conserving174 (43.9)265 (67.3)172 (36.7)207 (49.6)
    Radiation, yes337 (85.1)367 (93.2)<0.001400 (85.3)NS341 (81.8)NS
    Breast-conserving + radiation, yes154 (88.5)255 (96.2)<0.01169 (98.3)<0.01202 (97.6)<0.01
    Tamoxifen, yes175 (44.2)165 (41.9)NS187 (39.9)NS208 (49.9)NS
    Chemotherapy, yes218 (55.1)230 (58.4)NS206 (43.9)<0.01218 (52.3)NS
Total396394469417
  • NOTE: The characteristics in county A are the reference levels for the binomial regression analysis and the associated Ps.

  • Abbreviation: NS, not significant (P > 0.05).

  • * Ps from a binomial regression analysis.

  • Missing information on number of examined nodes, tumor size, detection mode, and type of surgery were under 1.7%, 1.0%, 1.0%, and 0.9%, respectively, for counties A to D.