Acetabular size (mm) 1-mm cement 2-mm cement 3-mm cement 4-mm cement 46 σ = 0.272x + 2.0733 (R2 = 0.988) σ = 0.298x + 1.1711 (R2 = 0.9936) σ = 0.279x + 0.6217 (R2 = 1) σ = 0.244x + 0.7744 (R2 = 0.9958 52 σ = 0.271x + 1.5283 (R2 = 0.9957) σ = 0.24x + 0.9933 (R2 = 0.9999) σ = 0.242x + 0.41 (R2 = 0.9992) σ = 0.228x + 0.46 (R2 = 0.9963) 58 σ = 0.233x + 1.0183 (R2 = 0.999) σ = 0.236x + 0.2933 (R2 = 0.9775) σ = 0.234x + 0.15 (R2 = 0.9946) σ = 0.21x + 0.44 (R2 = 0.9997)

Table 3: Equations correlating cement mantle tensile stress (σ, MPa) and BMI (x, kg/m2).