RESULTS	Grading of serial photographs confirmed the clinical assessments , showing no significant mean ( SE ) differences in Leeds scores ( range , 1-12 ) for treated skin ( 3.98 [ 0.32 ] at baseline and 3.94 [ 0.27 ] at week 12 ) compared with untreated skin ( 3.83 [ 0.32 ] at baseline and 3.79 [ 0.28 ] at week 12 ) ( P > .99 ) .\