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Table 1 Adverse health signs in quintiles of stratified PCB level in a total of 2046 examined males and females

From: Multiple adverse thyroid and metabolic health signs in the population from the area heavily polluted by organochlorine cocktail (PCB, DDE, HCB, dioxin)

  Quintiles of serum PCB level   
  1 (n = 409) 2 (n = 409) 3 (n = 410) 4 (n = 410) 5 (n = 408)   
Adverse signs 1) Upper PCBs level for each quintile(ng/g lipid) Chi-square p
  627 906 1341 2343 101,413   
  Number of adverse health cases per quintile   
1. Increased thyroid volume 79 79 84 122 124 29.30 0.0000
2. Positive TPOab 83 98 88 126 116 17.56 0.0015
3. Positive TRab 82 93 97 84 69 6.88 0.1423
4. Increased free T4 70 84 114 104 128 28.58 0.0000
5. Increased total T3 100 105 116 139 132 13.44 0.0093
6. Decreased TSH 4 5 12 7 20 18.56 0.0010
7. Increased TSH 55 65 48 56 45 5.17 0.2701
8. Increased thyroglobulin 38 44 27 38 42 5.11 0.2759
9. Increased fasting glucose 171 190 235 272 295 110.55 0.0000
10. Increased fasting insulin 88 86 94 105 122 11.89 0.0182
11. Increased cholesterol 89 119 127 142 134 8.76 0.0673
12. Increased triglycerides 89 119 127 142 134 19.36 0.0007
13. Increased BMI 131 157 149 146 161 5.84 0.2118