Table 1.

Main clinical characteristics of patients included in the study.

Clinical and demographic data
Age	52.6 ± 14.9 (27-84)
Sex (women/men)	37/57
Mean duration of pain (months)	51.7 ± 21.4 (6-120)
Mean pain intensity (VAS)	6.7 ± 2.0 (4-10)
Mean MQS	10.1 ± 5.3 (1.0-25.0)
Aetiology of neuropathic pain
Nerve trauma	15 (15.9%)
Post herpetic neuralgia	20 (21.3%)
Diabetic polyneuropathy	6 (6.4%)
Non-diabetic polyneuropathy	5 (5.3%)
Post-stroke pain	4 (4.2%)
Spinal cord trauma	9 (9.5%)
Plexus avulsion	19 (20.2%)
Trigeminal neuralgia	4 (4.25%)
Syringomyelia	2 (2.1%)
Leprosy associated neuropathic pain	10 (10.6%)
Medication use
Medication Quantification Score	10.14 ± 5.96

Results are expressed in average ± standard deviation (range).