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Table 3 PGI-SF – mean change by gender

From: Duloxetine in the treatment of major depressive disorder: an open-label study

 

Gender

Baseline, mean (SD)

Change, mean (SD)

p-valuea

Between-gender p-valueb

Item 1 Sexual interest/desire

Female (n = 280)

3.57 (1.53)

-1.01 (1.62)

T = -10.5, df = 279, p < .001

F(1, 370) = 0.9, p = .350

 

Male (n = 119)

3.25 (1.44)

-0.71 (1.67)

T = -4.7, df = 118, p < .001

 

Item 2 Erection (male); vaginal lubrication (female)

Female (n = 270)

2.46 (1.56)

-0.53 (1.52)

T = -5.8, df = 269, p < .001

F(1, 360) = 7.6, p = .006

 

Male (n = 119)

2.72 (1.46)

-0.29 (1.66)

T = -1.9, df = 118, p = .055

 

Item 3 Ability to achieve orgasm

Female (n = 267)

3.25 (1.64)

-0.74 (1.74)

T = -7.0, df = 266, p < .001

F(1, 354) = 4.3, p = .038

 

Male (n = 116)

2.55 (1.48)

0.14 (1.74)

T = 0.9, df = 115, p = .396

 

Item 4 Overall sexual functioning

Female (n = 269)

3.40 (1.59)

-0.87 (1.64)

T = -8.7, df = 268, p < .001

F(1, 359) = 4.9, p = .027

 

Male (n = 119)

2.96 (1.50)

-0.27 (1.71)

T = -1.7, df = 118, p = .089

 
  1. a within-stratum p-values from paired t-test.
  2. b p-values for gender from ANCOVA with baseline PGI-SF, investigator, and gender in the model.
  3. PGI-SF = Patient Global Impression of Sexual Functioning