Table 1. Demographic data of the patients included in the study.

Study centre	Düsseldorf (n=95)	Freiburg (n=97)
Indication
Congenital aniridia	6%	12%
Eye burns	51%	31%
Inflammatory diseases	19%	41%
Others	24%	15%
Follow-up (years)Quartiles and median	0.86/1.97/4.01	0.27/0.98/2.04

Eye burns included acid and alkali burns with consecutive damage to the limbal stem cells; congenital aniridia included eyes with incomplete formation of the iris and additional complete limbal stem cell failure and inflammatory diseases limbal stem cell failure due to Stevens–Johnson syndrome, Lyell's syndrome, or ocular citatrical pemphigoid. Other indications were diseases with consecutive complete limbal stem cell failure.