Table 4. Maximum adverse events by arm related to central nervous system depression.

	BAK (N=101)	Placebo (N=102)
Confusion
None	95 (95%)	97 (97%)
Mild (1)	5 (5%)	2 (2%)
Severe (3)	0	1 (1%)
Low consciousness
None	98 (98%)	98 (98%)
Moderate	1 (1%)	2 (2%)
Severe	1 (1%)	0 (%)
Constipation
None	76 (76%)	74 (74%)
Mild	18 (18%)	22 (22%)
Moderate	5 (5%)	4 (4%)
Severe	1 (1%)	0 (0%)
Rash
None	84 (84%)	90 (90%)
Mild	11 (11%)	6 (6%)
Moderate	5 (5%)	4 (4%)
Dry mouth
None	83 (83%)	78 (78%)
Mild	17 (17%)	22 (22%)