Cutaneous symptoms such as acneform eruption and pigmentation are closely associated with blood levels of 2,3,4,7,8-penta-chlorodibenzofurans in Yusho patients, using data mining analysis

Table 2 Rate of patients with high PeCDF level in population with each symptom

Rank	Symptoms	Rate of patients with the symptom	Rate of patients with high PeCDF (> 50 pg/g lipids)
1	Black comedones (trunk) <+ or severer>	0.0671	0.6563
2	uric acid (high)	0.1761	0.6310*
3	Black comedones (face) <+ or severer>	0.0860	0.6098
4	Third quartile age	0.2348	0.6071*
5	urea nitrogen (high)	0.1111	0.6038
6	red blood cell count (low)	0.1342	0.5938
7	History of pigmentation <present>	0.3669	0.5886*
8	Classification of testee <qualified>	0.7526	0.5794*
9	Subjective symptoms, etc. <present>	0.1488	0.5775
10	Second quartile age	0.2788	0.5714

ISSN: 1756-0500