Table 1 estimated mean and 95% confidence interval (CI) of antero-posterior interphyseal angle (AP-IPA) and lateral interphyseal angle (L-IPA) by age, according to the predictive model of spontaneous correction
From: Deformity progression in congenital posteromedial bowing of the tibia: a report of 44 cases
AGE (years) | AP-IPA (°) | L-IPA (°) | ||
|---|---|---|---|---|
ESTIMATED MEAN | 95% CI | ESTIMATED MEAN | 95% CI | |
0 | 40 | 38–43 | 29 | 17–40 |
1 | 24 | 21–26 | 24 | 14–34 |
2 | 19 | 15–23 | 20 | 12–27 |
3 | 16 | 11–21 | 16 | 10–23 |
4 | 14 | 8–19 | 13 | 8–18 |
5 | 12 | 6–18 | 11 | 7–15 |
6 | 11 | 5–17 | 9 | 5–12 |
7 | 10 | 3–16 | 7 | 4–10 |
8 | 9 | 2–16 | 6 | 4–8 |
9 | 8 | 1–15 | 5 | 3–7 |
10 | 7 | 0–15 | 4 | 2–6 |
11 | 6.5 | -1 – 14 | 3 | 2–5 |
12 | 6 | −2 – 14 | 3 | 2–4 |
13 | 5 | −3 – 13 | 2 | 1–3 |
14 | 5 | −3 – 13 | 2 | 1–2 |
15 | 4 | −4 – 12 | 1 | 1–2 |
16 | 4 | −4 – 12 | 1 | 1–2 |
17 | 3 | −5 – 12 | 1 | 1–1 |
18 | 3 | −6 – 12 | 1 | 0–1 |