Table 3.

Complete re-epithelialisation in individual groups of patients

Primary diagnosis	Autologous serum (n = 29)		Umbilical cord serum (n = 31)
	Healed (n = 11)	Not healed (n = 18)	Healed (n = 18)	Not healed (n = 13)
Post PK	4	14	5	4
Chemical injury	1	2	5	2
Post VR surgery	2	0	1	2
Post keratitis	1	1	2	2
Neurotrophic ulcer	3	1	5	3