[Retracted] Continuous Lumbar Plexus Block under the Guidance of the “Shamrock Method” Ultrasound: Analgesic Effects and Hemodynamic Effects after Total Knee Arthroplasty in Elderly Patients

Table 1

Comparison of general data between the two groups.

Group	Male/female	Age (years)	Body weight (kg)	ASA II/III
Group L (n = 49)	20/29	65.24 ± 5.19	62.84 ± 6.35	32/17
Group F (n = 49)	21/28	66.43 ± 5.37	63.19 ± 7.11	35/14
t/χ^2 value	0.042	0.110	0.257	0.425
value	0.838	0.912	0.798	0.515