Table 3

Regression coefficients of ER, PgR, and Ki-67 labeling against serum hormone levels

nCoefficientrPa
ER versus
 Estradiol
  Cases500.0360.1730.226 (0.100)
  Controls72−0.0650.3160.007 (0.015)
  Interaction1220.101 0.008 (0.001) b
 Progesterone
  Cases500.0650.0260.856 (0.765)
  Controls72−0.5870.1790.133 (0.280)
  Interaction1220.6520.224 (0.159)
PgR versus
 Estradiol
  Cases470.0750.37 0.011 (0.034)
  Controls650.0290.1700.290 (0.114)
  Interaction1120.0460.192 (0.192)
 Progesterone
  Cases470.8720.351 0.015 (0.043)
  Controls650.1180.0450.722 (0.496)
  Interaction1120.7530.119 (0.176)
Ki-67 labeling versus
 Estradiol
  Cases460.0120.1140.214 (0.711)
  Controls680.0040.0770.542 (0.893)
  Interaction1140.0080.0240.481 (0.692)
 Progesterone
  Cases460.2360.297 0.045 (0.168)
  Controls640.2390.295 0.021 (0.066)
  Interaction1100.0030.984 (0.943)
 ER
  Cases460.0440.1350.372 (0.311)
  Controls64−0.068−0.271 0.030 (0.091)
  Interaction1100.110 0.047 (0.066)
  • a adjusted for age and ratio.

  • b Values shown in boldface are significant at the P< 0.05 level.