tokens: In Group I , P induced a moderate and stable glycosuria ( 3 . 9 + / - 0 . 1 g / day , SE ) , and no functional or morphologic evidence of renal dysfunction ( baseline CCr 2 . 1 + / - 0 . 1 ml / min , undetectable lysozymuria ) or damage ( tubular necrosis score [ maximum 4 ] , zero ) .