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. Author manuscript; available in PMC: 2010 May 18.
Published in final edited form as: Int J Geriatr Psychiatry. 2008 Nov;23(11):1110–1113. doi: 10.1002/gps.2031

Figure 1.

Figure 1

A significant interaction between level of cognitive functioning and treatment on time to recurrence was present (HR = 1.41, 95% CI = 1.04, 1,91; p = 0.03) in the Cox regression. The simulated curves represent predicted survival at two levels of cognition functioning (normal: scaled DRS of ≥ 8; and impaired: scaled DRS of 7) with and without monthly maintenance IPT. The curve for monthly maintenance IPT in cognitive impairment had longer (median) time to recurrence than supportive clinical management (58 weeks vs 17 weeks). By contrast median time to recurrence was similar in those with average cognitive funtioning for IPT or CM (38 vs 32 weeks, respectively).