In contrast , the slopes of the regression lines were flatter for AZD7325 , particularly for the log ( Sway ) - SPV relation ( estimate slope , AZD7325 10mg vs. lorazepam , difference [ 95 % confidence interval ] , P value -0.00036 vs. -0.00206 , 0.001704 [ 0.000639 , 0.002768 ] , P = 0.0018 ) and the VASalertness - SPV relationship ( 0.01855 vs. 0.08216 , -0.06360 [ -0.1046 , -0.02257 ] , P = 0.0024 ) .