Table 4 Mean consumption of drugs, and alertness, in the local anaesthetic group and the control group of patients

Opioid (piritramide) consumption during the first 24 h, mg, mean

9.8

29.4

<0.0001

Metamizole consumption during the first 24 h, g, mean

2.8

4.5

<0.0001

Metoclopramide consumption during the first 24 h, mg, mean

11.0

24.3

<0.0001

Tramadol/paracetamol consumption during the first four days, number of tablets, mean

16.8

18.8

0.46

Diclofenac consumption during the first four days, mg, mean

324.1

340.4

0.57

Alertness OAA/S score 6 h after surgery, mean

5.0

4.4

<0.001