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Table 4 Recent symptoms with independently low relationship with low PeCDF level (< 50 pg/g lipid)

From: Twenty-year changes of penta-chlorodibenzofuran (PeCDF) level and symptoms in Yusho patients, using association analysis

Symptoms

Rate of patients with symptom

Rate of patients with high PeCDF

Z score

PCB pattern (C)

0.185

0.893

5.439

Odontogenesis imperfecta (+)

0.017

1.000

1.930

Hepatomegaly (+)

0.073

0.682

1.795

Urinary protein (abnormal)

0.142

0.605

1.756

Nutrition (thin)

0.023

0.857

1.710

Inorganic phosphorus (low)

0.040

0.750

1.677

Palpebral conjunctiva pigmentation (+ or above)

0.070

0.667

1.646