The changes in Ai/BSA , WA/BSA , WA/Ao and T/BSA were significantly correlated with changes in IC ( r = 0.535 , p = 0.011 ; r = -0.688 , p < 0.001 ; r = -0.555 , p = 0.002 and r = -0.542 , p = 0.007 ; respectively ) .