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Table 2. Electrical Pain Threshold and Electrical Pain Tolerance at three Dermatomes before and after Lumbar Epidural Administration of 5 mg Morphine and Saline Placebo

Values are mean ± SD.

P < 0.05 with Bonferroni correction.

* Epidural injection of morphine and saline placebo resulted in a significantly different AUC describing the percentage change of the electrical pain tolerance from baseline versus  time. The AUC describing the percentage change of the electrical pain threshold from baseline versus  time was not significantly different but tended to be larger after epidural injection of morphine.

Times when a significantly different electrical pain tolerance was measured (percentage change from baseline) between epidural injection of morphine and saline placebo.

Table 2. Electrical Pain Threshold and Electrical Pain Tolerance at three Dermatomes before and after Lumbar Epidural Administration of 5 mg Morphine and Saline Placebo
Table 2. Electrical Pain Threshold and Electrical Pain Tolerance at three Dermatomes before and after Lumbar Epidural Administration of 5 mg Morphine and Saline Placebo
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