Table 2 Cortical thickness in the tibial diaphysis (standardized values)
Standardized values (×10−3) | Young group (n = 31) | Elderly group (n = 54) | ||||||
|---|---|---|---|---|---|---|---|---|
Men (n = 12) | Women (n = 19) | Men (n = 29) | Women (n = 25) | |||||
mean | 95%CI | mean | 95%CI | mean | 95%CI | mean | 95%CI | |
Total diaphysis | ||||||||
Medial | 15.7 | 14.6–16.7 | 15.9 | 14.4–17.3 | 17.3 | 16.7–18.0 | 18.1 | 17.5–18.7 |
Lateral | 17.0 | 15.0–19.0 | 14.7 | 13.8–15.5 | 17.0 | 16.3–17.7 | 17.4 | 16.6–18.2 |
Anterior | 28.1 | 24.6–31.7 | 25.5 | 23.6–27.4 | 23.8 | 22.7–25.0 | 23.5 | 22.5–24.5 |
Posterior | 17.5 | 16.5–18.5 | 18.0 | 16.3—19.8 | 16.1 | 15.7–16.6 | 16.0 | 15.5–16.5 |
Proximal diaphysis | ||||||||
Medial | 14.0 | 13.1–14.9 | 14.1 | 13.2–15.1 | 16.9 | 16.2–17.6 | 17.9 | 17.1–18.6 |
Lateral | 15.1 | 13.3–17.0 | 12.8 | 12.3–13.4 | 16.7 | 16.1–17.4 | 17.1 | 16.2–18.0 |
Anterior | 24.5 | 20.5–28.5 | 22.7 | 20.7–24.7 | 22.3 | 21.1–23.4 | 22.9 | 21.8–23.9 |
Posterior | 17.1 | 16.0–18.2 | 16.7 | 15.1–18.3 | 16.0 | 15.4–16.5 | 16.4 | 15.6–17.2 |
Central diaphysis | ||||||||
Medial | 16.3 | 14.5–18.1 | 16.3 | 14.6–18.0 | 17.4 | 16.4–18.4 | 18.2 | 17.4–19.1 |
Lateral | 18.3 | 15.7–20.8 | 15.6 | 14.1–17.1 | 16.2 | 14.8–17.6 | 17.4 | 16.4–18.4 |
Anterior | 31.1 | 27.6–34.7 | 28.8 | 26.4–31.2 | 25.2 | 23.7–26.7 | 23.7 | 22.5–24.9 |
Posterior | 18.4 | 17.3–19.6 | 19.1 | 17.1–21.2 | 16.1 | 15.5–16.6 | 15.4 | 15.0–15.9 |
Distal diaphysis | ||||||||
Medial | 17.5 | 16.1–18.9 | 18.3 | 16.2–20.4 | 18.6 | 17.7–19.4 | 18.9 | 18.2–19.5 |
Lateral | 18.4 | 16.2–20.6 | 16.1 | 14.9–17.3 | 17.8 | 16.7–19.0 | 18.1 | 16.9–19.3 |
Anterior | 30.2 | 26.5–34.0 | 26.0 | 24.0–28.0 | 26.8 | 25.1–28.6 | 24.6 | 23.1–26.1 |
Posterior | 17.1 | 15.9–18.4 | 18.7 | 16.8–20.7 | 16.8 | 16.2–17.5 | 15.6 | 15.1–16.0 |