Sentence: Geometric mean time until medical readiness for discharge was 24.1 h ( 95 % CI , 20.0-29.1 ) for the 78 magnesium-treated patients and 25.3 h ( 95 % CI , 20.3-31.5 ) for the 82 patients receiving placebo ( ratio , 0.95 ( 95 % CI , 0.52-1.80 ) ; P 1/4 .91 ). 
 Section: finding