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Table 1 Baseline characteristics of the intention-to-treat population

From: Delivering transcutaneous auricular neurostimulation (tAN) to improve symptoms associated with opioid withdrawal: results from a prospective clinical trial

 

Group 1 (n = 16)

Group 2 (n = 15)

All (N = 31)

Mean1 (SD) Age at Enrollment (years) (Range)

34.2 (7.3)

32.5 (7.4)

33.4 (7.3)

(21–47)

(19–44)

 

Mean (SD) Baseline COWS score (Range)

15.3 (2.7)

14.5 (2.7)

14.9 (2.7)

(10–21)

(9–19)

(9–21)

Mean (SD) Duration of Opioid Use (years) (Range)

12.9 (7.0)

10.8 (6.4)

11.8 (6.7)

(1–27)

(0.5–24.0)

 

Mean (SD) Morphine Milligram Equivalent (Range)

1406.3 (1031.6)

1209.3 (566.5)

1311.0 (831.8)

(300–4000)

(150–2000)

(150–4000)

Gender: n (n/N%)

 Female

6 (37.5%)

5 (33.3%)

11 (35.5%)

 Male

10 (62.5%)

10 (66.7%)

20 (64.5%)

Race: n (n/N%)

 White

14 (87.5%)

12 (80.0%)

26 (83.9%)

 Hispanic or Latino

1 (6.3%)

3 (20.0%)

4 (12.9%)

 Black or African American

1 (6.3%)

0 (0%)

1 (3.2%)

Psychiatric Co-Morbidities2,3

 Depression

4 (25.0%)

6 (40.0%)

10 (33.3%)

 Anxiety

3 (18.8%)

7 (46.7%)

10 (33.3%)

 Bipolar Disorder

4 (25.0%)

4 (26.7%)

8 (26.7%)

Opioid Type2,4

 Heroin

14 (93.3%)

13 (86.7%)

27 (90.0%)

 Prescription Narcotics

1 (6.7%)

4 (26.7%)

5 (16.7%)

 Buprenorphine/Naloxone

1 (6.7%)

0 (0%)

1 (3.3%)

 Methadone

0 (0%)

1 (6.7%)

1 (3.3%)

 Fentanyl

0 (0%)

1 (6.7%)

1 (3.3%)

Non-Opioid Drug Use in Previous 30 Days2

 Alprazolam

5 (33.3%)

4 (26.7%)

9 (30.0%)

 THC

3 (20.0%)

5 (33.3%)

8 (26.7%)

 Alcohol

4 (26.7%)

5 (33.3%)

9 (30.0%)

 Methamphetamine

5 (33.3%)

7 (46.7%)

12 (40.0%)

 Cocaine

4 (26.7%)

2 (13.3%)

6 (20.0%)

 Other

1 26.7%)

4 (26.7%)

5 (16.7%)

  1. 1Means analyzed using unpaired t-test with Welch’s correction and Chi Square or Fisher’s Exact test used for proportions
  2. 2Data not available for one participant in Group 1
  3. 3Participants may have more than one co-morbidity
  4. 4Participants may have used more than one opioid