Variable

Patients (n = 25)

Ketamine doses administered

38

Initial ketamine dose, mg/kg^*

0.12 ± 0.06

Multiple doses administered―patients^**

8 (32.0)

Mean doses per patient, mg^*

1.5 ± 0.8

Total ketamine administered, mg

520.6

Cumulative dose per patient, mg^*

13.2 ± 5.2

Ketamine as initial therapy^**

5 (20)

Concomitant therapies^**

Opioids

23 (92)

Benzodiazapines^

7 (28)

Prior to ketamine

5 (71.4)

Simultaneous administration

1 (14.3)

Post ketamine

1 (14.3)

Other^ﬡ

2 (8)

Pain scores

Pre ketamine^‡

10 (9 - 10)

Post ketamine^‡

5 (4 - 7)