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Table 1 Mean lidocaine levels with ranges (μg ml−1)

From: Intravenous lidocaine infusion as a component of multimodal analgesia for colorectal surgery—measurement of plasma levels

Time (hours)

60 mg hr−1

120 mg hr−1

All patients

0.5

2.3 (0.6–4.5)

3.3 (1.3–6.6)

2.8

6

3.0 (0.9–4.9)

5.1 (2.9–10.5)

4.2

12

4.2 (0.8–9.4)

5.3 (1.5–12.3)

4.9

All times

3.2

4.6

4.0