Clinical Study
Validation of the Self-Assessment of Treatment Questionnaire among Patients with Postherpetic Neuralgia
Table 9
Known-groups validity: t-tests of SAT scores by NPRS pain level at baseline (pooled dataset; )1.
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NPRS: Numeric Pain Rating Scale; SAT: Self-Assessment of Treatment; SD: standard deviation. nown-groups validity was assessed using t-tests to evaluate whether SAT items and subscale scores discriminated between patient groups by baseline pain level (high, low pain). Pooled dataset included data from two clinical trials, Studies C116 () and C117 (). |