Does Duloxetine Improve Cognitive Function Independently of Its Antidepressant Effect in Patients with Major Depressive Disorder and Subjective Reports of Cognitive Dysfunction?

Table 2

Participant baseline characteristics.

Baseline variable	Noncompleters (𝑁=9)		Completers (𝑁=21) (analyzable sample)
	Mean or %	SD	Mean or %	SD
Age (years)	32.1	7.8	31.3	6.6
Male (%)	44.4		33.3
Female (%)	55.6		66.7
White (%)	66.7		57.1
Black (%)	11.1		19.1
Hispanic (%)	22.2		23.8
Education (years)*	13.7	6.4	14.2	3.5
Characteristics of depression
Age of onset (years)	22.3	8.0	18.8	7.6
Length of current episode (months)	58.9 (Median = 12.0)	132.8	36.5 (Median = 6.0)	60.0
Number of previous episodes	2.7	1.3	2.8^+	2.0
Baseline symptom severity
HRSD17	18.8		19.4	4.4
IDS-C30	35.8		36.8	8.7
IDS-SR30	36.2		37.9	12.1
Estimated intelligence
NART-R	107.3		106.6	9.3

^∗𝑛=17.
⁺𝑛=18; 3 participants not included because they indicated the number of previous episodes were too many to count.
SD: standard deviation; HRSD₁₇: Hamilton Rating Scale for Depression, 17 items; IDS-C₃₀: Inventory for Depressive Symptomatology–Clinician-Rated, 30 items; IDS-SR₃₀: Inventory for Depressive Symptomatology–Self-Report, 30 items; NART-R: National Adult Reading Test-Revised.