Table 3

Age- and lipid-adjusted geometric means for DDE and PCBs for controls and for cases according to stage at diagnosis and type of treatment

VariablenDDE (ppb)PCBs (ppb)
Mean95% CIPaMean95% CIPa
Stage at diagnosis
Controls502456.2420.5–495.5747.6721.2–775.1
Cases
0–II389455.9415.5–500.20.99719.8690.9–749.90.17
III–IV20402.1267.1–605.20.57638.9533.5–765.10.57
Unknown66506.2404.2–633.80.37851.4771.0–940.10.37
Type of treatment
Controls347497.2449.3–550.1699.9675.2–725.5
Cases
Chemotherapy41632.4471.7–848.00.13676.2609.3–750.40.51
Surgery154442.1380.5–513.60.21699.2662.9–737.40.90
Combination86483.6395.3–591.50.79678.0631.2–728.30.52
Other45434.0329.3–573.70.37664.3601.9–733.10.34
  • a P for geometric mean difference between cases and controls.