| |
Anoushiravani
|
Crawford
|
D’Apuzzo
|
Murphy
|
Prohaska
|
Rissman
|
Sayeed
|
Schwarzkopf
|
Sikora-Klak
|
Total
|
|---|
|
Age (older)
|
–
| ✓✓ |
–
| ✓✓ | ✓✓ | ✓✓ |
–
| ✓✓ b
| ✓✓ |
6/6
|
|
ASA (higher)
|
–
| ✓✓ |
–
| ✓ |
–
|
–
|
–
|
–
|
–
|
2/2
|
|
BMI (higher)
| ✓ a,b
|
xb
| ✓b
| ✓✓ | ✓✓ | ✓✓ |
xb
|
–
|
–
|
5/7
|
|
CCI (higher)
|
–
|
–
|
–
| ✓✓ | ✓✓ | ✓✓ |
–
| ✓✓b
| |
4/4
|
|
Diabetes (yes)
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
–
| ✓✓ |
1/1
|
|
Gender (Female)
|
–
|
–
|
–
| ✓✓ | ✓✓ | ✓✓ |
–
| ✓✓b
| ✓✓ |
5/5
|
|
Ethnicity (non-caucasian)
|
–
|
–
|
–
|
–
|
–
|
–
|
–
| ✓✓ |
–
|
1/1
|
|
Hb (lower)
|
–
|
–
|
–
|
–
| ✓✓ |
–
|
–
|
–
|
–
|
1/1
|
|
Knee ROM (lower)
|
–
|
–
|
–
|
–
|
–
|
x
|
–
|
–
|
–
|
0/1
|
|
SES (lower)
|
–
|
–
|
–
| ✓✓ |
–
|
–
|
–
|
–
|
–
|
1/1
|
|
SF-12/VR-12 (lower)
|
–
|
–
|
–
| ✓✓ | ✓✓ | ✓✓ |
–
|
–
|
–
|
3/3
|
|
Smoking (yes)
|
–
|
–
|
–
| ✓✓ |
x
|
–
|
–
|
–
| ✓ |
2/3
|
|
VTE History (yes)
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
–
| ✓✓ |
1/1
|
- Abbreviations: ASA American society of anesthesiologists, BMI body mass index (kg/m2), CCI Charlson comorbidity index, Hb Hemoglobin, ROM range of motion, SES socioeconomic status, SF-12 12 item Short Form Health Survey (physical component score), VR-12 Veterans RAND 12 Item Health Survey, VTE Venous thromboembolism
- aBMI < 19 kg/m2 (Underweight patients)
- bFactor not able to undergo pooled analysis due to statistical reporting heterogeneity
- ✓✓ = Factor significant in multivariable analysis ✓ = Factor only significant in univariate analysis x = Factor not significant in univariate analysis – indicates that a factor was not assessed
