Table 1.

Demographic and Clinical Characteristics on 185 Older Subjects with Major Depression Followed for 6 Months after Remission.

	Had a Relapse			Remained Relapse-free
	(N=33)			(N=152)
	N	Perc (%)		N	Perc (%)		Chi-square	p
Gender							0.0004	0.98
Female	21	63.64%		97	63.82%
Entry Status at Last MDD Episode							2.29	0.13
Inpatient	14	42.42%		44	28.95%
Outpatient	19	57.58%		108	71.05%
							Mann-Whitney Wilcoxon
	Mean	SD	Range	Mean	SD	Range	z	p
Age	75.12	6.27	64–86	71.96	7	60–89	2.41	0.02
Education (years)	13.18	3.88	5–21	14.17	3.09	7–21	−1.62	0.1
Age at Onset	59.34	16.65	30–83	56.45	18.27	14–87	0.81	0.42
Duration of Last Episode	53.25	42.46	3–174	66.5	74.75	3–522	−0.26	0.79
Number MDD Episodes	2.45	1.41	1–6	2.05	1.24	1–7	1.6	0.11
Entry (Index Episode)
DRS Total1	133.74	7.11	116–144	136.47	7.23	111–144	−2.07	0.0387
CIRS Total2	6.23	3.13	2–3	5.51	3.24	0–19	1.08	0.28
IADL3	24	3.73	15–27	25.56	2.32	15–27	−1.66	0.1
At Onset of Remission4
DRS Total1	130.54	12.93	100–143	137.34	6.8	103–144	−1.88	0.0593
CIRS Total2	5.96	3.23	0–12	4.6	3.14	0–13	1.93	0.06
IADL3	25.2	3.29	17–27	25.77	2.28	15–27	−0.12	0.91
Antidepressant (AD) Drug Treatment
Intensity5	2.42	1.47	0–4	2.17	1.61	0–4	0.57	0.57

¹Mattis Dementia Rating Scale;

²Cumulative Illness Rating Scale-Geriatric Version;

³Philadelphia Multilevel Assessment Instrument – IADL Subscale;

⁴When remission was first identified

⁵Composite Antidepressant Score (CAD) in last month before relapse or in the sixth month.