Risk Factors for Delayed Inpatient Functional Recovery after Total Knee Arthroplasty

Table 1

Characteristics of study population ()^*.

Age	65 (10) years
Sex, %♀	64%
BMI	30 (6) kg/m^2
Marital status
Married	71%
Not married	29%
Job status
Paid job	38%
Retired	57%
Unemployed	6%
Anaesthesia
Femoral
Continuous	70%
One-shot	30%
General	7%
Spinal	93%
Blood loss, median (IQR)	100 (100-100) mL
Tourniquet time	49 (15) minutes
Postoperative pain analgesic
Acetaminophen	35%
Ketorolac	2%
Fentanyl	99%
Morphine	18%
Hydromorphone	79%
Length of stay, median (IQR)	2 (2-3) days
Functional recovery, median (IQR)	2 (2-3) days
Discharge location
Home	179 (93%)
SNF	12 (6%)
Inpatient rehab	2 (1%)

Values are mean (standard deviation), unless indicated otherwise. BMI = body mass index, IQR = interquartile range, and SNF = skilled nursing facility.