The characteristics and AV conduction properties were similar and the Ap-Vs interval was significantly shorter in the LRAS than in the RAA pacing group up to 1 year ( 193 32 milliseconds vs. 220 27 milliseconds in Group 1 ; P = 0.003 , 222 41 milliseconds vs. 281 30 milliseconds in Group 2 ; P < 0.001 ) .