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| Complication | IVPCA (n = 45) | PCEA (n = 45) | P Value b |
|---|---|---|---|
| Nausea | 13 (28.9) | 10 (22.2) | 0.46 |
| Vomiting | 4 (8.9) | 8 (17.8) | 0.21 |
| Pruritus | 2 (4.4) | 0 (0) | 0.49 |
| Ileus | 4 (8.9) | 0 (0) | 0.11 |
| Sedation | 4 (8.9) | 22 (48.8) | < 0.001 |
| Paresthesia or motor weakness | 0 (0) | 10 (22.2) | < 0.001 |
| Respiratory depression | 4 (8.9) | 0 (0) | 0.11 |
a Values are presented as No. (%).
b P < 0.05 is considered significant.
