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. 2016 Nov 25;2016(11):CD005146. doi: 10.1002/14651858.CD005146.pub3
Tranquil or asleep: 5. Time (skewed data)
Study Intervention Mean (mins) SD N Statistical test p
time until tranquil or asleep
TREC‐Vellore‐II Haloperidol + Promethazine 12.8 16.7 150 Mann‐Whitney U 0.4
TREC‐Vellore‐II Olanzapine 20.5 34.5 150    
time until asleep
TREC‐Vellore‐II Haloperidol + Promethazine 26.2 32.2 150 Mann‐Whitney U 0.2
TREC‐Vellore‐II Olanzapine 34.9 42.2 150