Table 4.

Estimated prevalence in the present study compared to the incidence (in 100,000) as reported by Khan et al., 2017 for each MPS type

MPS type	Gene	This study (max.–min.)	Khan et al. 2017 (max.–min.)
MPS I	IDUA	7.10–2.48	3.62–0.11
MPS II	IDS	0.0108–0.00013	2.16–0.1
MPS IIIA	SGSH	2.36–0.41	1.62–0.08
MPS IIIB	NAGLU	1.53–0.37	0.72–0.02
MPS IIIC	HGSNAT	1.57–0.11	0.42–0.03
MPS IIID	GNS	0.46–0.05	0.10–0.09
MPS IVA	GALNS	2.36–0.25	1.30–0.15
MPS IVB	GLB1	1.68–0.46*	0.14–0.01
MPS VI	ARSB	1.12–0.18	7.85–0.02
MPS VII	GUSB	1.14–0.21	0.29–0.02
MPS IX	HYAL1	0.44–0.11	NA

*Combined frequency of GM1 Gangliosidosis and MPS IVB