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Table 2 The predicted ACPY (degree/year) based on the multiplier method

From: Multiplier method may be unreliable to predict the timing of temporary hemiepiphysiodesis for coronal angular deformity

Age (B) ACPY (F) ACPY (T)
0 23.42–42.16 15.23–27.41
1 16.54–29.77 10.65–19.17
2 13.13–23.63 8.05–14.50
3 11.38–20.48 6.67–12.01
4 10.50–18.90 6.66–11.98
5 9.72–17.50 5.69–10.24
6 9.72–17.50 6.09–10.96
7 9.32–16.78 5.83–10.50
8 9.56–17.20 5.97–10.75
9 8.35–15.03 5.21–9.38
10 7.90–14.23 5.80–10.44
11 8.71–15.68 6.50–11.69
12 9.64–17.36 6.22–11.19
13 8.86–15.95 5.72–10.30
14 7.71–13.87 3.70–6.66
15 4.08–7.35 2.59–4.66
16 2.10–3.78 1.33–2.40
Age (G) ACPY (F) ACPY (T)
0 24.45–44.01 15.56–28.00
1 15.36–27.64 10.50–18.90
2 13.61–24.51 8.38–15.09
3 12.09–21.77 7.26–13.07
4 10.39–18.70 6.92–12.46
5 10.04–18.08 6.32–11.38
6 9.93–17.88 6.25–11.25
7 9.35–16.83 5.88–10.58
8 8.20–14.75 5.93–10.67
9 9.16–16.49 6.73–12.11
10 10.30–18.55 5.68–10.22
11 8.19–14.73 6.32–11.38
12 7.12–12.82 4.63–8.33
13 5.71–10.29 2.45–4.41
  1. F operative part in distal femur, T operative part in proximal tibia, B boys, G girls, ACPY angular correction per year