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. 2011 Dec 18;4(6):644–647. doi: 10.3980/j.issn.2222-3959.2011.06.14

Table 2. Endothelial cell density over time.

Characteristics PK(mean±SD) DALK(mean±SD) P
1 month 2790.36±568.54 2452.82±646.52 0.012
3 months 2598.80±583.66 2378.63±622.18 0.036
6 months 2400.36±593.62 2274.67±612.20 0.364
12 months 2156.44±648.30 2265.54±636.42 0.145
18 months 1994.26±618.42 2252.68±634.28 0.022

PK: penetrating keratoplasty, DALK: deep anterior lamellar keratoplasty, SD: standard deviation.