Table 5

Preoperative and postoperative values of ECD, endothelial hexagonality and ECL in FLACS and CPS (ECL is also presented as percentages in parentheses)

Endothelial cell results
Preoperatively (n=93)
Day 40 (n=82)
Day 180 (n=85)
FLACS (95% CI)CPS (95% CI)P value
Paired t-test
Mean preoperative ECD (cells/mm2)2673 (2594 to 2752)2734 (2684 to 2834)0.073
Mean 40 days ECD (cells/mm2)2326 (2205 to 2447)2243 (2108 to 2377)0.187
Mean 40 days ECL (cells/mm2)344 (245 to 443)
(12.89%)
497 (380 to 614)
(18.19%)
0.027*
Mean 180 days ECD (cells/mm2)2308 (2200 to 2416)2256 (2140 to 2372)0.244
Mean 180 days ECL (cells/mm2)362 (275 to 450)
(13.56%)
465 (377 to 554)
(17.03%)
0.036*
Mean preop hexagonality (%)55 (53 to 57)55.4 (53 to 57)0.95
Mean 40 days hexagonality (%)50 (47 to 52)53 (50 to 56)0.09
Mean 40 days hexagonality change (%)5.1 (2.0 to 8.1)1.8 (–1.5 to 5.1)0.18
Mean 180 days hexagonality (%)55 (53 to 58)53 (50 to 55)0.112
Mean 180 days hexagonality change (%)−0.4 (−3.5 to 2.7)2.0 (−0.6 to 4.6)0.24
  • *Statistically significant.

  • CPS, conventional phaco surgery; ECD, endothelial cell density; ECL, endothelial cell loss; FLACS, femtosecond laser-assisted cataract surgery; Preop, preoperatively.