Changes in Anterior, Posterior, and Total Corneal Astigmatism after Descemet Membrane Endothelial Keratoplasty

Table 1

Demographics of the study population in eyes after Descemet membrane endothelial keratoplasty. Mean ± standard deviation (minimum–maximum). Bold: statistically significant results.

	Before surgery	After surgery	value
Subjects	29 eyes (23 patients)
Age (years)	67.55 ± 9.83 (47–83)
Gender (male: female)	10 : 13
Pachymetry at the apex (μm)	621.21 ± 68.21 (486–895)	510.41 ± 34.04 (443–593)	<0.001
Km^F (D)	43.33 ± 1.43 (40.9–46)	43.11 ± 1.41 (41.2–46.3)	0.09
Km^B (D)	−5.73 ± 0.67 (−3.1–−6.7)	−6.32 ± 0.28 (−5.9–−7)	<0.001
Anterior corneal astigmatism (D)	1.14 ± 0.76 (0.1–2.6)	1.30 ± 0.77 (0.1–3.7)	0.43
Posterior corneal astigmatism (D)	0.38 ± 0.29 (0.0–1.3)	0.33 ± 0.20 (0.1–0.8)	0.76
Total corneal astigmatism (D)	1.64 ± 1.33 (0.1–5.3)	1.61 ± 0.90 (0.5–4.4)	0.93