Combination of dextromethorphan and memantine in treating bipolar spectrum disorder: a 12-week double-blind randomized clinical trial

International Journal of Bipolar Disorders

Table 5 Survival analysis according to response and remission rate

	Response rate N/total N (%)	Hazard Ratio	95.0% CI	P	Remission rate N/total N (%)	Hazard Ratio	95.0% CI	P
DM30	44/69 (63.7%)	0.92	0.59–1.43	0.70	18/69 (26.1%)	0.78	0.40–1.52	0.46
MM5	34/66 (51.5%)	0.73	0.46–1.18	0.20	12/66 (18.2%)	0.56	0.27–1.18	0.13
DM30 + MM5	39/66 (59.1%)	0.82	0.51–1.29	0.39	19/66 (28.8%)	0.86	0.44–1.65	0.64
Placebo	39/69 (56.5%)	1 (ref)			17/69 (24.6%)	1 (ref)