Single Dose Intravenous Paracetamol versus Placebo in Postorthognathic Surgery Pain: A Randomized Clinical Trial
Table 3
Side effects from morphine according to the treatment groups.
Characteristics
Total (n = 62)
Study group (n = 31)
Control group (n = 31)
value
Nausea, n (%)
<0.001a
Yes
14 (22.6)
1 (3.2)
13 (41.9)
No
48 (77.4)
30 (96.8)
18 (58.1)
Vomit, n (%)
0.002b
Yes
9 (14.5)
0 (0)
9 (29)
No
53 (85.5)
31 (100)
22 (71)
Pruritus, n (%)
0.053b
Yes
5 (8.1)
0 (0)
5 (16.1)
No
57 (91.9)
31 (100)
26 (83.9)
Urine retention, n (%)
1.000b
Yes
0 (0)
0 (0)
0 (0)
No
62 (100)
31 (100)
31 (100)
Respiratory depression, n (%)
1.000b
Yes
1 (1.6)
0 (0)
1 (3.2)
No
61 (98.4)
31 (100)
30 (96.8)
aDifferences between treatment groups were tested using Pearson’s chi-square test. bDifferences between treatment groups were tested using Fisher’s exact test. A significant difference is indicated in bold.