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Table 4 Stem filling and positioning

From: A shortened uncemented stem offers comparable positioning and increased metaphyseal fill compared to a standard uncemented stem

  Standard stem (n = 101) Shortened stem (n = 96)  
mean ± SD (range) meana ± SD (range) p-value
Canal-Fill Ratio (CFR)
 Superior margin of the Lesser Trochanter 0.72 ± 0.07 (0.55–0.90) 0.76 ± 0.06 (0.59–0.91) < 0.001
 Tip of the Lesser Trochanter 0.85 ± 0.08 (0.62–0.96) 0.91 ± 0.05 (0.77–0.96) < 0.001
Stem alignment (°) 0.8 ± 1.2 (−2–3) 1.1 ± 1.7 (−3–7) 0.331
 Valgus (<−3°) 0(0%)   0(0%)   0.232
 Varus (> 3°) 1(1%)   5(5%)   0.111