RESULTS	Mean PLM index ( PLMI ; PLM/h time in bed ) decreased more with rotigotine ( 50.9 / h to 8.1 / h ) than with placebo ( 37.4 / h to 27.1 / h ; adjusted treatment ratio 4.25 ( 95 % CI [ 2.48,7.28 ] , p < 0.0001 ) .\