The Epidemiology and Demographics of Slipped Capital Femoral Epiphysis

Table 4

Symptom duration in 2482 children with SCFE.

Study	Year	City/State/Country	Region	Number of Patients	Race	Sx Dur Males	Sx Dur Females	Sx Dur Combined
Hägglund et al. [34]	1984	Southern Sweden	Scandinavia	532	White	4.8	3.4	4.4
Loder [30]	1996	Worldwide	Worldwide	767	White	4.1	3.8	4.0
				401	African	4.9	3.6	4.3
				272	Amerindian	4.3	3.8	4.1
				120	Indo-Malay	5.1	5.5	5.2
				34	NA/PI	2.4	2.5	2.5
				21	Indo-Med	3.7	6.25	3.9
				1630	All	4.4	3.7	4.1
Loder et al. [46]	2006	Michigan and Indiana	North America	243	All			5.2
[50]	1987	Glasgow, Scotland	Europe	77	All			3.8
Totals				2482		4.5	3.6	4.3

The symptom duration averages are weighted to account for the number of children in each series. The overall symptom duration was used in the series where symptom duration is given by ethnicity [30].