Clinical Study

Gabapentin versus Transdermal Fentanyl Matrix for the Alleviation of Chronic Neuropathic Pain of Radicular Origin: A Randomized Blind Multicentered Parallel-Group Noninferiority Trial

Table 3

Pain intensity difference between the groups.

Analysis populationNMean (SD)Mean difference (one-sided 95% CI) value1

ITT
Fentanyl matrix343.0 (2.3)0.5 (−0.33, ∞)0.5660
Gabapentin422.5 (2.0)

PP
Fentanyl matrix302.7 (2.3)0.1 (−0.79, ∞)0.4145
Gabapentin372.6 (2.0)

1Student's t-test; SD: standard deviation; CI: confidence interval.