Table 1. Comparison of the demographic features of PK and DALK groups.

Parameters	PK	DALK	P
Age (x±s, a)	35.3±10.9	34.9±12.5	0.876a
Gender (F:M)	23:15	28:10	0.222b
Eye (R:L)	18:20	22:16	0.358b
Recipient trephine (%)			0.231b
7.00 mm	1 (2.6)	1 (2.6)
7.50 mm	25 (65.8)	29 (76.3)
7.75 mm	0	2 (5.3)
8.00 mm	12 (31.6)	6 (15.8)
Host-donor disparity (%)			0.301b
0 mm	2 (5.3)	0
0.25 mm	32 (84.2)	32 (84.2)
0.50 mm	4 (10.5)	6 (15.8)

PK: Penetrating keratoplasty; DALK: Deep anterior lamellar keratoplasty; SD: Standard deviation. ^a Independent sample test; ^bChi-square test.

n=38