RESULTS	Urinary alpha ( 1 ) - microglobulin : creatinine ratio was lower with HES 200/0 .62 compared with gelatine at 4 and 8 h ( P < 0.050 ) and lower with HES 130/0 .4 compared with gelatine at 4 to 24 h , and on days 4 and 5 ( P < 0.050 ) .\