Table 3. Parametric Survival Analysis on Relapse-Time Data.

Source	DF	Chi-Square	P
Site	2	6.13	0.047
Phase 1 Medication Condition (PL vs. Drug)	1	1.41	0.23
Phase 2 Medication Condition (NT-Li vs. VEN-Li)	1	0.36	0.55
Phase 1 × Phase 2 Medication Condition	1	0.01	0.93
No. Adequate Treatment Trials, Current Episode	1	2.06	0.15
HRSD at continuation trial baseline	1	2.62	0.11
Age	1	14.90	0.0001