Table 1

Characteristics of breast cancer cases and controls from breast clinic of PGH, Manila, Philippines

No. (%) of
CasesControls
Total (n)299229
Ethnicity
 Malay220 (74.0)163 (71.1)
 Malay-Other (e.g. Malay-Chinese)61 (20.4)43 (18.8)
 Spanish5 (1.7)3 (1.3)
 Chinese4 (1.3)3 (1.3)
 Spanish-Chinese2 (.7)1 (.4)
 Unknown7 (2.3)16 (7.0)
Age distribution (yrs)
 20–3433 (11.0)72 (31.4)
 35–44127 (42.5)86 (37.6)
 45–54118 (39.5)63 (27.5)
 55–7021 (7.0)8 (3.5)
Tumor histology
 Infiltrating ductal257 (86.0)
 Infiltrating lobular2 (.7)
 Papillary7 (2.3)
 Medullary2 (.7)
 Other17 (5.7)
 Unknown14 (4.7)
Stage
 I8 (2.7)
 II94 (31.4)
 III153 (51.2)
 IV30 (10.0)
 Unknown14 (4.7)
Estrogen receptora
 Negative52 (40.3)
 Positive77 (59.7)
  • a Percentages were calculated from cases for whom this information was available.