. 2017 Mar 18;10(3):385–390. doi: 10.18240/ijo.2017.03.10

Table 4. Mean values of SE refraction and topographic values measured at postoperative year one for PK and DALK groups.

Parameters	PK (n=38)	DALK (n=38)	P^a
Spheric equivalent	-3.09±4.34 (-17.00-4.50)	-2.94±4.16 (-20.00-5.25)	0.880
K	44.24±5.11 (31.12-63.60)	44.11±3.59 (37.90-51.05)	0.901
ECC	0.17±0.95 (-1.23-4.20)	-0.21±0.68 (-1.35-0.96)	0.220
Q	11.81±0.38 (10.80-12.60)	11.46±0.53 (9.80-12.20)	0.002^b
Topo astigmatism	4.18±2.37 (0.90-11.80)	4.62±2.25 (1.20-9.80)	0.409

SD: Standard deviation; PK: Penetrating keratoplasty; DALK: Deep anterior lamellar keratoplasty; K: Topographic corneal power; ECC: Eccentricity; Q: Topographic Q value; Topo astigmatism: Topographic astigmatism. ^aIndependent sample test; ^bStatistically significant P values.

x±s (range)