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. 2015 Feb 2;9:217–223. doi: 10.2147/OPTH.S75938

Table 2.

Pre- and post-operative characteristics

Characteristics Pre-operative Post-operative P-value
Mean BCVA (logMAR) 0.69±0.76 0.41±0.67 <0.01*
Corneal curvature radius
 K1 7.81±0.34 7.80±0.34 0.54
 K2 7.54±0.33 7.67±0.31 0.49
 Km 7.68±0.31 7.66±0.33 0.45
IOP (mmHg) 15.2±4.4 14.1±4.0 0.24
Corneal endothelial cells (per mm2; 10 eyes) 2,342.2±985.6 2,250.2±749.0 0.95
CV (8 eyes) 29.1±6.7 27.8±7.3 0.58
Hexagonal cells (%HEX; per mm2; 8 eyes) 47.5±14.7 61.4±8.0 <0.05*

Notes: K1, horizontal meridian; K2, vertical meridian; Km, average of K1 and K2. Mann-Whitney U-test; GraphPad Prism version 6 (GraphPad Software, San Diego, CA, USA).

*

Indicates a significant difference.

Abbreviations: CV, coefficient of variation; IOP, intraocular pressure; BCVA, best-corrected visual acuity; logMAR, logarithm of the minimum angle of resolution.