Table 1 Patient characteristics

Gender - Male, n (%)*

40 (71 %)

58 (70 %)

0.84 (1)

0.04

Age in years (mean ± SD)***

47 (±9)

47 (±8)

0.77 (137)

1.24

Homeless, n (%)*

8 (14 %)

19 (23 %)

0.21 (1)

2.58

Current smoker, n (%)*

18 (32 %)

26 (31 %)

0.91 (1)

0.01

Family history of alcohol abuse, n (%)*

7 (13 %)

13 (16 %)

0.60 (1)

0.27

Current illicit substance abuse, n (%)*

6 (11 %)

15 (18 %)

0.23 (1)

1.41

Prior antidepressant use, n (%)*

30 (54 %)

16 (19 %)

<0.0001 (1)

17.76

Number of comorbidities (mean ± SD)***

0.54 (+/−0.57)

0.75 (+/−0.75)

0.29 (137)

1.07

Asthma, n (%)**

0 (0 %)

5 (6.1 %)

0.08 (1)

0.08

Chronic obstructive pulmonary disease, n (%)**

1 (1.8 %)

1 (1.2 %)

>0.99 (1)

Cirrhosis, n (%)*

16 (28.6 %)

31 (37.3 %)

0.28 (1)

1.15

Congestive heart failure, n (%)**

2 (3.6 %)

2 (2.4 %)

0.90 (1)

Diabetes mellitus, n (%)*

7 (12.5 %)

11 (13.3 %)

>0.99 (1)

0.02

Malignancy, n (%)**

3 (5.3 %)

2 (2.4 %)

0.39 (1)

Schizophrenia, n (%)**

1 (1.8 %)

0 (0 %)

0.40 (1)

Stroke, n (%)**

0 (0 %)

3 (3.6 %)

0.27 (1)