Table 2.

Consumption of analgesics

	Group A median (range)	Group P median (range)	p-value
Morphine i.v. (mg)
0–24 h	17 (1–74)	65 (36–131)	< 0.001
24–48 h	0.5 (0–17)	22 (0–52)	< 0.001
0–48 h	18 (1–74)	87 (36–160)	< 0.001
Tramadol orally (mg)
0–24 h	0 (0–200)	0 (0–100)	0.01
24–48 h	375 (0–400)	200 (0–400)	0.04
0–48 h	400 (0–500)	200 (0–500)	0.008
Total analgesics a (mg)
0–48 h	54 (4–114)	109 (37–211)	< 0.001

^a Total analgesic consumption was calculated by converting oral tramadol to the equivalent dose of intravenous morphine (100 mg tramadol orally = 10 mg morphine intravenously).