Ochratoxin A in nephropathic patients from two cities of central zone in Portugal

Levels of OTA in Coimbra were higher than in Aveiro, 0.50 μg/l versus 0.49 μg/l. In respect to gender, levels of OTA were higher in males from Aveiro than in females, 0.52 μg/l versus 0.44 μg/l, and in Coimbra were similar, 0.50 μg/l versus 0.51 μg/l. However, in none of the cases, significant statistical differences were found.