![]() * one patient excluded because of epidural catheter dislocation. The other patient excluded because of incomplete data collection form. † Three patients excluded because of post-operative perineural catheter. dislocation. One patient excluded because of PCA dysfunction. ‡ Two patients excluded because of post-operative perineural catheter. dislocation. One patient excluded because of incomplete data collection form. |
Figure 1: Flow chart of patient enrolment. |