a nonsignificant trendP = 0.2041
At night, sleep duration increased in both groups from baseline to week 24 LOCF, and there was a nonsignificant trend for a greater increase in the ropinirole prolonged release group (adjusted mean treatment difference [AMTD], 0.16; 95% confidence interval [CI]: −0.09, 0.41; P = 0.2041).