Research Article

[Retracted] Early Postoperative Pain Control and Inflammation for Total Knee Arthroplasty: A Retrospective Comparison of Continuous Adductor Canal Block versus Single-Shot Adductor Canal Block Combined with Patient-Controlled Intravenous Analgesia

Table 1

Demographic and perioperative data.

CharacteristicGroup AGroup B value

Number of patients7878
Gender (male/female)17 (22%)/61 (78%)19 (24%)/59 (76%)0.850
Age (years)69.4 ± 7.266.9 ± 8.70.052
Height (cm)157.8 ± 6.3156.9 ± 6.70.374
Weight (kg)62.1 ± 9.962.4 ± 8.90.806
BMI (kg/m2)24.9 ± 3.625.4 ± 3.40.401
ASA class (II/III)26 (33%)/52 (67%)27 (35%)/51 (65%)1
Surgery side (left/right)40 (51%)/38 (49%)41 (53%)/37 (47%)1
Length of surgery (min)77.4 ± 20.577.7 ± 15.30.923
Length of anesthesia (min)113.1 ± 28.3111.6 ± 18.80.702
Length of extubation (min)19.9 ± 9.018.8 ± 7.70.429
Length of stay in PACU (min)75.6 ± 14.971.5 ± 16.50.111
Surgeon (%) (A/B/C/D/E)15.4/11.5/11.5/35.9/25.616.7/6.4/12.8/37.2/26.90.865
Anesthetist (A/B)26 (33%)/52 (67%)39 (50%)/39 (50%)0.051

Note. Values are presented as mean ± SD or number (percentage). BMI = body mass index; PCIA = patient-controlled intravenous analgesia; ASA = American society of anesthesiologists; PACU = postanesthesia care unit.