Research Article

Predictors of Treatment with Duloxetine or Venlafaxine XR among Adult Patients Treated for Depression in Primary Care Practices in the United Kingdom

Table 2

Pre-period clinical characteristics of patients initiating duloxetine or venlafaxine XR.

DuloxetineVenlafaxine XR value
% %

Diagnosed pain conditions1
 Diabetic peripheral neuropathy30.3%20.2%0.398
 Fibromyalgia485.3%463.6%0.052
 Osteoarthritis626.8%745.8%0.307
 Chronic low-back pain141.5%40.3%0.002
 Unexplained pain41345.4%43133.5%<0.001
Diagnosed psychiatric conditions1
 Anxiety disorders19020.9%31524.5%0.049
 Attention deficit hyperactivity disorder00.0%20.2%0.234
 Schizophrenia20.2%60.5%0.345
 Bipolar disorder80.9%100.8%0.793
 Alcohol/drug dependence434.7%695.4%0.505
Other diagnosed conditions1
 Diseases of the circulatory system20722.8%20415.9%<0.001
 Diseases of the respiratory system47051.7%57144.4%<0.001
 Diseases of the digestive system31734.9%37829.4%0.007
 Sleep disorders9510.5%13310.3%0.934
 Diabetes606.6%362.8%<0.001
Healthcare utilization2
 Inpatient admission18820.7%22417.4%0.054
 Accident and emergency Visits20722.8%24519.1%0.034

1Comorbid conditions were evaluated during 36-month pre-index period.
2Healthcare utilization was evaluated during 12-month pre-index period.