Table 2.

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

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

F operative part in distal femur, T operative part in proximal tibia, B boys, G girls, ACPY angular correction per year