Table 1.

Demographics and preoperative slipped capital femoral epiphyses (SCFE) characteristics of Series A

Patient number	Age	Gender	Side	Duration of symptoms	Slip angle	SCFE slip percentage	SCFE stability
1	13	M	L	2 weeks	70°	++	Stable
2	12	F	L	6 months	40°	++	Stable
3	12	M	L	3 days	x	x	Unstable
4	12	F	R	5 months	50°	+++	Stable
5	16	M	L	1 week	x	x	Stable
6	14	M	L	7 weeks	30°	+	Stable
7	11	F	L	2 months	40°	+++	Unstable
8	13	M	L	x	30°	+	Stable
9	13	F	L	4 months	70°	+++	Stable
10	15	M	L	3 years	45°	++	Stable
11	18	M	R	2 months	50°	+	Stable
12	14	F	L	1 year	70°	+++	Stable
13	13	M	L	2 weeks	30°	++	Stable
14	14	M	L	4 months	x	+	Stable
15	11	F	L	5 months	30°	+++	Stable
16	13	M	L	2 months	40°	++	Stable
17	14	M	R	9 months	40°	+++	Stable
18	16	M	L	x	50°	+++	Stable
19	13	F	L	6 months	50°	+++	Stable
20	14	M	L	5 months	50°	++	Unstable
21	11	F	L	4 months	70°	+++	Stable
22	14	M	R	3 months	50°	++	Stable
23	11	F	R	3 weeks	30°	++	Stable
24	13	F	L	5 weeks	40°	+	Stable
25	12	M	L	7 weeks	x	x	Stable
26	14	F	R	x	40°	+++	Stable
27	11	F	L	10 months	45°	+++	x
28	10	F	L	2 weeks	x	x	Unstable
29	14	F	R	1 year	30°	+	Stable
30	12	M	L	6 weeks	50°	+	Stable

M = male; F = female; L = left; R = right; x = no information; + = < 25%; ++ = 25% to 50%; +++ = > 50% of neck diameter.