Table 1

Demographic data and baseline assessments

Femoral triangle group
(N=32)
Proximal AC group
(N=31)
Distal AC group
(N=32)
P value
Demographic data
 Age (years)72.3±4.771.5±5.071.2±5.60.793
 Female/male22 (69)23 (74)24 (75)0.831
 Height (cm)156.5±7.8157.1±8.1156.4±6.30.723
 Weight (kg)65.5±8.465.5±9.863.9±7.50.474
 Body mass index (kg/m2)26.8±3.226.4±2.426.1±2.70.667
 ASA class (I/II/III)5/22/52/23/62/26/40.603
Operation side
 Left/right15/1715/1616/160.969
Length of surgery (min)47.5 (42.0–61.5)47.0 (44.0–58.0)49.5 (43.0–55.5)0.998
Baseline assessments
 HADS (0–21)
 Depression8.7±3.98.5±4.47.8±3.20.452
 Anxiety6.0 (4.0–10.0)8.0 (3.0–9.0)6.0 (4.0–8.0)0.794
NRS resting pain scores2.0 (0–3.5)2.0 (0–3.0)2.0 (0–2.5)0.529
Baseline quadriceps strength (kgf)
 Operative leg10.7±3.711.2±3.610.2±2.50.254
 Non-operative leg12.6±3.613±312±2.70.251
Femur length (cm)42.8±2.842.6±3.242.2±2.60.623
  • Values are presented as median (IQR), mean±SD, or number of patients (%).

  • AC, adductor canal; ASA, American Society of Anesthesiologists; HADS, Hospital Anxiety and Depression Scale; kgf, kilogram-force unit; NRS, numeric rating scale.