The clinical indicators , including the initial Balthazar 's computed tomography ( CT ) score , acute physiology and chronic health evaluation II ( APACHE II ) scores on @st , @rd , @th and @th day , incidences and durations of complications and the serum C-reactive protein ( CRP ) , levels of MMP-@ on the @st , @rd , @th and @th day , were recorded and compared between the two groups .