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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