Table 1.

Participants and surgery status. Data indicate a significant association between CTG expansion and cornea transplant status (p=0.007, Pearson chi squared). NN: Repeat size of less than 40. NX/XX: An expansion of at least 40 repeats on either (NX) or both (XX) alleles.

		History of cornea transplant
		No	Yes
CTG Expansion	NN	189	28	217
	NX/XX	279	78	357
		468	106	574