Table 2 Linear regression analysis of variables associated with Cortical Distance
From: Proximal femoral anatomy and collared stems in hip arthroplasty: is a single collar size sufficient?
Variable | Univariable | Multivariable | |||||
|---|---|---|---|---|---|---|---|
regression coefficient | 95% C.I. | p-value | regression coefficient | 95% C.I. | p-value | ||
Continuous | |||||||
Age (years) | −0.04 | (−1.27 | – -0.22) | 0.006 | −0.02 | (−0.04–0.00) | 0.093 |
Medio-lateral offset | 0.28 | (1.76 | – 2.63) | <0.001 | 0.04 | (−0.04–0.11) | 0.352 |
Femoral head diameter | 0.30 | (1.03 | – 1.98) | <0.001 | 0.14 | (0.03–0.26) | 0.016 |
Femoral Neck Angle | 0.00 | (−0.46 | – 0.51) | 0.929 | 0.01 | (−0.03–0.06) | 0.596 |
Catagoric | |||||||
Stem size | |||||||
Small (1–3) | REF | REF | |||||
Medium (4–6) | 0.82 | (−0.08 | – 1.73) | 0.075 | 0.39 | (−0.374–1.15) | 0.317 |
Large (7–10) | 1.48 | (0.47 | – 2.50) | 0.004 | 0.93 | (−0.031–1.88) | 0.058 |
Varus stem model | 2.74 | (2.12 | – 3.37) | <0.001 | 2.42 | (1.71–3.14) | <0.001 |
Male Gender | 2.11 | (−2.87 | – -1.35) | <0.001 | 0.68 | (−1.574–0.21) | 0.132 |