Table 1 Characteristics of the study sample

Age (years)

39.11 (±10.5)

41.44 (±10.5)

0.36

Formal education (years of study)

14.44 (±3.9)

14.21 (±2.9)

0.85

Clinical comorbidity

4 (22%)

2 (12.5%)

0.66

Smoking

1 (5.5%)

0

1.00

Pain on the 10-cm VAS

6.02 (±1.5)

6.50 (±1.4)

0.28

HIT-6

63.00 (±6.4)

61.44 (±5.2)

0.44

HDRS

7.83 (±3.8)

6.69 (±2.8)

0.33

Psychiatric disease

6 (33.3%)

4 (25%)

0.59

B-PCS

32.17 (±13.5)

27.81 (±15.1)

0.38

Helplessness

14.17 (±6.9)

12.25 (±7.1)

0.43

Magnification

7.11 (±3.4)

5.69 (±3.8)

0.26

Rumination

10.78 (±3.7)

9.88 (±5,03)

0.55

Serum BDNF (ng/mL)

42.67 (±34.6)

43.2 (±21.4)

0.95

Daily use of analgesics (Yes/No)

14/3

15/2

0.66

Dorflex®

10

12

NSAID

4

2

Acetaminophen

4

2

0.81