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Table 2 Weight-dependent dosing

From: Baden Prevention and Reduction of Incidence of Postoperative Delirium Trial (PRIDe): a phase IV multicenter, randomized, placebo-controlled, double-blind clinical trial of ketamine versus haloperidol for prevention of postoperative delirium

Haloperidol: 5 μg/kg body weight diluted in NaCl 0.9%, haloperidol 5 mg/ml concentrate

Weight (kg)

Haloperidol (mg)

NaCl (ml)

Weight (kg)

Haloperidol (mg)

NaCl (ml)

 40–50

0.5

19.5

71–80

0.8

19.2

 51–60

0.6

19.4

81–90

0.9

19.1

 61–70

0.7

19.3

91–100

1.0

19.0

Ketamine: 1 mg/kg body weight diluted in NaCl 0.9%, ketamine 50 mg/ml concentrate

Weight (kg)

Ketamine (mg)

NaCl (ml)

Weight (kg)

Ketamine (mg)

NaCl (ml)

 40–50

50

19.0

71–80

80

18.4

 51–60

60

18.8

81–90

90

18.2

 61–70

70

18.6

91–100

100

18.0