Table 2: Pain characteristics.

CharacteristicOverall Primary care Traumatology Neurology Neurosurgery Rehabilitation Rheumatology Other surgeries Other specialties

DN4 (0–10), mean ± SD
VAS, mean ± SD
Duration of pain (yrs), mean ± SD
Causes for uncontrolled pain, %
Misdiagnosis11.111.912.83.65.212.79.416.18.3
Nonoptimized treatment87.682.293.482.187.983.390.688.783.3
 Use of ineffective drugs45.845.950.428.337.346.741.452.744.3
 Subtherapeutic dose45.748.546.047.843.156.541.430.950.0
 Other25.318.623.537.039.220.024.721.831.0
Lack of compliance7.25.15.912.55.211.115.64.86.2
Intolerance6.69.33.316.16.92.89.43.27.8
Other7.38.59.810.76.911.13.18.14.1
Causes of neuropathic pain, %
Neuropathy
 Diabetic3.810.40.95.80.02.80.03.56.1
 Other3.20.90.95.81.82.89.48.80.0
Neuralgia
 Trigeminal4.67.00.425.05.50.04.25.30.0
 Other3.52.62.17.73.62.83.33.18.8
Radiculopathy43.132.567.011.563.652.863.38.33.5
Nerve entrapment syndrome5.64.42.10.05.52.816.71.89.4
Plexopathy3.53.53.93.80.05.23.31.82.8
Complex regional pain syndrome5.20.98.65.83.616.73.31.81.0
Postsurgery/trauma7.83.53.01.95.52.83.311.545.6
Malignant/radiation/chemotherapy-induced pain14.336.01.311.55.50.03.341.78.8
Central neuropathic pain3.00.91.317.35.511.10.01.00.0
Other neuropathic pains2.51.81.33.80.02.13.310.52.8

DN4: neuropathic pain diagnostic questionnaire; SD: standard deviation; VAS: visual analog scale; Yrs: years.