Local Infiltration Analgesia with Ropivacaine Improves Postoperative Pain Control in Ankle Fracture Patients: A Retrospective Cohort Study

Table 2

Postoperative VAS scores (cm).

Variable	LIA + iPCA	iPCA	value
VAS 8 h	1.51 ± 0.58	4.77 ± 1.83	<0.001
VAS 16 h	3.47 ± 1.02	3.63 ± 1.53	0.556
VAS 24 h	3.02 ± 1.14	3.11 ± 1.26	0.725
VAS 32 h	2.65 ± 0.78	2.79 ± 0.92	0.440
VAS 40 h	2.83 ± 0.61	2.79 ± 0.72	0.777
VAS 48 h	2.46 ± 0.59	2.45 ± 0.51	0.933

Values are expressed as means ± SD. values based on the independent t-test.