Table 1

Change in percentage of mammographic densities between baseline and follow-up in women treated with a GnRHA-based regimen and in control women

Treatment groupTreatment mo 12—baselineTreatment mo 24—baselinePosttreatment mo 6–12—baseline
GnRHA group
 1−2.2%−1.3%15.7%
 2−4.7%
 3−19.9%−28.3%−25.8%
 4−8.9%−3.9%
 5−34.0%−28.1%8.4%
 6−1.9%−6.0%−0.2%
 7−22.2%−17.9%−15.5%
 8−8.7%−15.2%−0.5%
 911.2%8.5%19.3%
 10−4.3%−13.1%−7.2%
 11−20.4%−19.4%−12.4%
 12−0.5%−1.1%
Mean (SE)−9.7% (3.5%)−11.4% (3.5%)−2.0% (5.0%)
P 0.0120.0100.73
Control group
 132.7%−10.9%
 14−12.2%−2.1%
 15−4.1%−4.0%
 1610.4%7.0%
 17−1.5%−9.5%
 18−5.8%5.0%
 19−11.6%−3.3%
Mean (SE)−3.2% (3.0%)−2.5% (2.5%)
P a 0.300.47
  • a P, Wilcoxon’s signed rank test differences within the group.