Demographic features, PK indications, recipient trephine size and donor-host trephine disparities of the study eyes.

Table 1: Demographic features, PK indications, recipient trephine size and donor-host trephine disparities of the study eyes.

	Group F (n=34)	Group B (n=22)	p value
Mean age ± SD (year)	58.0 ± 17.1	61.4 ± 15.2	0.460*
Gender (M:F)	10:24	4:18	0.343**
Indication for PK Pseudophakic BKP(AC:PC) Aphakic BKP Traumatic corneal scar	12:3 15 4	8:2 5 7	0.217**
Host trephine size (mm) 7.00 (%) 7.50 (%) 8.00 (%)	4 (11.8) 24 (70.5) 6 (17.7)	1 (4.5) 15 (68.2) 6 (27.3)	0.505**
Donor-host trephine disparity (mm) 0.25 (%) 0.50 (%) 0.75 (%)	5 (14.7) 29 (85.3) 0 (0.0)	0 (0.0) 14 (63.6) 8 (36.7)	<0.001**

*Mann Whitney U test, **Chi-square test, PK: Penetrating Keratoplasty, BKP: Bullous keratopathy, AC: Anterior Chamber, PC: Posterior Chamber.