From: Factors influencing the outcomes of minimally invasive total hip arthroplasty: a systematic review
 | Sex—baseline | Age—baseline | BMI—baseline | VAS—baseline | OHS—baseline | WOMAC—baseline | HHS—baseline | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | r | P | r | P | r | P | r | P | r | P | r | P | r | P |
Cup inclination |  − 0.16 | 0.2 |  − 0.05 | 0.7 |  − 0.15 | 0.2 | 0.45 | 0.5 |  − 0.32 | 0.3 |  − 0.23 | 0.5 |  − 0.02 | 0.9 |
Cup anteversion |  − 0.53 | 0.0002 | 0.20 | 0.2 | 0.47 | 0.001 | 1.00 | 1.0 | 0.04 | 0.9 |  − 0.89 | 0.009 | 0.07 | 0.8 |
Stem alignment |  − 0.04 | 0.9 |  − 0.15 | 0.5 |  − 0.07 | 0.7 |  |  | 0.29 | 0.4 |  − 0.81 | 0.1 |  − 0.39 | 0.2 |
VAS |  − 0.26 | 0.2 | 0.42 | 0.02 | 0.17 | 0.4 | 0.98 | 0.00001 | 0.88 | 0.01 | 0.88 | 0.02 | 0.16 | 0.5 |
OHS |  − 0.06 | 0.8 | 0.52 | 0.009 | 0.47 | 0.04 |  |  |  − 0.20 | 0.5 | 0.91 | 0.1 |  − 0.57 | 0.1 |
WOMAC | 0.04 | 0.9 |  − 0.47 | 0.1 |  − 0.45 | 0.1 |  |  | 0.65 | 0.1 | 0.75 | 0.1 | 0.81 | 0.3 |
HHS |  − 0.08 | 0.5 |  − 0.28 | 0.01 |  − 0.01 | 0.9 |  − 0.98 | 0.0005 |  − 0.34 | 0.3 |  − 0.66 | 0.1 | 0.36 | 0.05 |
Surgical time | 0.07 | 0.5 |  − 0.19 | 0.1 | 0.20 | 0.04 | 0.65 | 0.1 |  − 0.03 | 0.9 | 0.53 | 0.1 | 0.07 | 0.6 |
Estimated blood lost | 0.15 | 0.3 |  − 0.06 | 0.7 |  − 0.15 | 0.3 | 0.11 | 0.01 | 0.18 | 0.6 | 0.50 | 0.1 | 0.19 | 0.3 |
Leg length difference | 0.11 | 0.6 |  − 0.20 | 0.3 | 0.47 | 0.02 |  − 1.00 | 1.0 | 0.33 | 0.4 |  − 0.08 | 0.9 |  − 0.43 | 0.1 |
Hospitalisation | 0.20 | 0.1 | 0.11 | 0.3 |  − 0.22 | 0.1 | 0.94 | 0.1 |  − 0.51 | 0.2 |  − 0.55 | 0.2 |  − 0.50 | 0.001 |
Dislocation |  − 0.17 | 0.3 | 0.13 | 0.4 |  − 0.05 | 0.8 | 1.00 | 1.0 | 0.44 | 0.3 |  |  |  − 0.29 | 0.2 |
Revision | 0.10 | 0.6 | 0.36 | 0.1 | 0.05 | 0.8 | 0.90 | 0.3 |  − 0.37 | 0.4 |  − 1.00 | 1.0 | 0.13 | 0.7 |
Deep infection |  − 0.08 | 0.7 | 0.30 | 0.2 | 0.44 | 0.04 | 0.61 | 0.6 |  − 0.98 | 0.2 |  |  | 0.00 | 1.0 |
Aseptic loosening | 0.07 | 0.9 |  − 0.28 | 0.5 |  − 0.51 | 0.1 |  |  | 0.42 | 0.6 |  − 1.00 | 1.0 | 0.24 | 0.7 |
Fractures |  − 0.06 | 0.7 | 0.08 | 0.6 |  − 0.04 | 0.8 | 0.41 | 0.5 |  − 0.24 | 0.5 | 0.54 | 0.3 | 0.24 | 0.3 |