Research Article

Evaluation of Treatment Patterns and Direct Costs Associated with the Management of Neuropathic Pain

Table 3

Patterns of use of initial medications prescribed for the treatment of patients with neuropathic pain in Colombia.

MedicationAt startaAny timebMean dose (mg/day)Most frequent intervalnDDDMean age ± SD
n%n%

Tramadol20933.541165.92230.0747.0 ± 13.0
Carbamazepine16426.322135.4234.110.2352.0 ± 14.2
Amitriptyline1372224038.526.310.3548.5 ± 14.4
Imipramine345.47411.918.510.1850.8 ± 12.2
Pregabalin284.514923.9171.410.5764.9 ± 12.9
Gabapentin1936410.3357.810.2051.1 ± 14.5
Lidocaine142.2386.1–––3–––60.8 ± 13.4
Fluoxetine132.19214.721.511.0552.9 ± 8.5
Sertraline40.6406.45011.0051.7 ± 14.9
Valproic acid20.3315.05001 and 30.3349.0 ± 6.3

nDDD: ratio between the Defined Daily Dose (DDD) and the dose used; SD: standard deviation.a Frequency of use of each medication at the beginning of the follow-up.b Frequency of use of each medication during any time of follow-up.