Supplement Table 1. List the reason for withdrawal.

Patient No.	Group	Comment
S02D02	Placebo	Protocol compliance becomes impossible due to a newly emergent disease or symptom or worsening of clinical laboratory test findings. (Diuretic IV injection received before withdrawal)
S17L05	Tolvaptan	Compliance with the study protocol becomes impossible or the investigator judge withdrawal to be necessary. (Adverse Event: Pneumonia)
S20L07	Placebo	Compliance with the study protocol becomes impossible or the investigator judge withdrawal to be necessary. (Non-compliance the standard control during the treatment period)
S03F03	Tolvaptan	Protocol compliance becomes impossible due to a newly emergent disease or symptom or worsening of clinical laboratory test findings. (Serious Adverse Event: Ischaemic Hepatitis)
S02N02	Placebo	A major deviation is discovered.
S04K04	Placebo	The patient requested to withdraw from the study.