Table 2. Results of the fluorescent spot test performed at birth and repeated after 1 month of age.

		FST ≥ 1 month of age
		Deficient	Normal
FST birth	Deficient	89	1 *
	Normal	10 **	1330
	Total	99	1331

*Mahidol hemizygous male

**7 Mahidol hemizygous male, 1 Canton hemizygous male, 1 wild type male, 1 wild type female