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Table 4 Analysis of interaction between blood pressure and blood lead on renal dysfunction in paint workers

From: Risk factors of renal dysfunction and their interaction in level-low lead exposure paint workers

Blood pressure Blood lead Number of renal dysfunction Number of non-renal dysfunction OR 95% CI of OR
Normal negative 65 567 1  
Normal positive 15 47 2.784 1.475~ 5.225
Abnormal negative 36 9 2.181 1.005~ 4.730
Abnormal positive 4 4 8.723 2.131~ 35.710
RERI   4.758  
API (%)   54.5  
S   2.604