Patient-Controlled Analgesia (PCA): Intravenous Administration (IV-PCA) versus Oral Administration (Oral-PCA) by Using a Novel Device (PCoA® Acute) for Hospitalized Patients with Acute Postoperative Pain—A Comparative Retrospective Study
Table 5
Comparison of rate and specifications of difficulties with the PCA modalities by means of chi-square for independent samples.
IV-PCA
PCoA
(chi-square)
N
%
N
%
Difficulties experienced with the PCA modality used (yes/no)
0.056
No
49
80.3
28
63.6
Yes
12
19.7
16
36.4
Difficulties with the PCA modality used (specifications)
Difficulty of the administration mode (suction and others)
0
0
8
18.2
Difficulty or dislocation of the peripheral intravenous catheter
6
9.8
0
0
Error (device and system)
0
0
4
9.1
Operation difficulties
0
0
3
6.8
Practice difficulties, high need for information
5
8.2
1
2.3
Subjectively insufficient analgesia, the patient prefers oral medication
