Table 5.

Characteristics of the entire group of MPS I patients, MPS I Hurler patients and non-Hurler patients at the time of diagnosis

Final diagnosis of MPS I
	All MPS I		Hurler		Non-Hurler
Number of patients	29		20		9
Age at diagnosis (months)
Median	12		11		57
Range	5 – 151		5 – 31		5 – 151
Delay medical specialist - diagnosis (months)
Median	9		8		28
Range	1 – 147		1 – 24		2 – 147
Diagnosing specialist	Nr.	%	Nr.	%	Nr.	%
General pediatrician	13	45%	10	50%	3	33%
Clinical geneticist	4	14%	3	15%	1	11%
Pediatrician specialized in IEM	9	31%	5	25%	4	44%
Ophthalmologist	2	7%	2	10%	0	0%
Rheumatologist	1	3%	0	0%	1	11%

The sums of the percentages of each item may not equal 100% because the percentages represent rounded values. IEM: inborn errors of metabolism