Table 3. Analysis of potential factors associated with poor cornea quality of the donated eyes for both study periods.

	Corneas utilised for keratoplasty (n=146)	Corneas unutilised due to poor cornea quality (n=17)	P-value
Age (years)	69 (SD 15)	77 (SD 15)	0.04
Gender			0.06
Male	86 (59%)	6 (35%)
Female	60 (41%)	11 (65%)
Hospitals			0.75
Within NUT	100 (68%)	11 (65%)
Outside NUT	46 (32%)	6 (35%)
Consent method			0.26
Face-to-face interview	105 (72%)	10 (59%)
Telephone consent	41 (28)	7 (41%)
DEI (h)	17 (SD 5)	19 (SD 7)	0.23
DPI (h)	35 (SD 7)	38 (SD 8)	0.31
Storage time (days)	21 (SD 5)	23 (SD 4)	0.12

Abbreviations: DEI, Death-to-enucleation interval; DPI, Death-to-processing interval; NUT, Newcastle upon Tyne.

P-values that are statistically significant are underlined.