Table 1 Demographics and clinical characteristics.

From: Correction to: Dose-related effects of ketamine for antidepressant-resistant symptoms of posttraumatic stress disorder in veterans and active duty military: a double-blind, randomized, placebo-controlled multi-center clinical trial

 

Standard dose

Low dose

Placebo

 
 

n = 51

n = 53

n = 54

 
 

0.5 mg/kg

0.2 mg/kg

placebo

p value

Sex – male (%)

38 (74.5)

43 (81.1)

40 (74.1)

0.63

Mean age (SD)

43.2 (12.7)

45.2 (11.2)

42.0 (10.8)

0.37

White—Non-Hispanic

29 (56.9)

28 (52.8)

37 (68.5)

0.57

Black

7 (13.7)

7 (13.2)

6 (11.1)

Hispanic

12 (23.5)

11 (20.8)

8 (14.8)

Other

3 (5.9)

7 (13.2)

3 (5.6)

<12th grade, high school

6 (11.8)

5 (9.4)

7 (13.0)

0.66

Some college

20 (39.2)

17 (32.1)

15 (27.8)

College degree

21 (41.2)

25 (47.2)

22 (40.7)

Some graduate

4 (7.8)

6 (11.3)

10 (18.5)

Duty Status—Veteran

34 (66.7)

36 (67.9)

37 (68.5)

0.98

Active duty

17 (33.3)

17 (32.1)

17 (31.5)

Army

29 (56.9)

32 (60.4)

33 (61.1)

0.59

Navy

8 (15.7)

10 (18.9)

10 (18.5)

Air Force

4 (7.8)

6 (11.3)

7 (13.0)

Marine

10 (19.6)

5 (9.4)

4 (7.4)

# Deployments

  0

19 (37.3)

20 (37.7)

17 (31.5)

0.12

  1

15 (29.4)

7 (13.2)

11 (20.4)

  2

14 (27.5)

13 (24.5)

13 (24.1)

  3+

3 (5.9)

13 (24.5)

13 (24.1)

Years military service

11.2 (7.5)

12.0 (8.6)

10.9 (8.3)

0.77

PCL-5

47.5 (14.5)

46.6 (17.7)

48.6 (12.8)

0.80

CAPS-5

38.5 (8.4)

40.4 (9.1)

38.8 (8.0)

0.38

MADRS

27.8 (9.3)

27.8 (10.3)

28.2 (8.4)

0.97

  1. PCL-5 PTSD Checklist for DSM-5, CAPS-5 Clinician-Administered PTSD Scale for DSM-5, MADRS Montgomery-Åsberg Depression Rating Scale.
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