Table 3

Mixed model estimates of risk factors for longitudinal crude changes of corneal endothelial cells parameters over 72 months

Multivariate modelsEstimate (95% CI)P value
Endothelial cell density (per mm2)
 Age at baseline (years)−1.45 (−2.32 to −0.58) 0.001
 Gender (male as reference)−5.27 (−16.77 to 6.24)0.37
 Group (non-LPI eye as reference)6.07 (−2.46 to 14.61)0.16
 Time (month)−1.60 (−1.72 to −1.48) <0.001
 Time×group−0.32 (−0.49 to −0.15) 0.0002
Mean cell area (μm2)
 Age at baseline (years)0.18 (0.05 to 0.31) 0.007
 Gender (male as reference)1.21 (−0.51 to 2.93)0.17
 Group (non-LPI eye as reference)−0.68 (−2.01 to 0.65)0.32
 Time (month)0.23 (0.22 to 0.25) <0.001
 Time×group0.03 (0.01 to 0.06) 0.008
Hexagonality (%)
 Age at baseline (years)0 (−0.07 to 0.07)0.98
 Gender (male as reference)0.62 (−0.30 to 1.54)0.18
 Group (non-LPI eye as reference)−0.07 (−0.77 to 0.63)0.85
 Time (month)0 (0 to 0.01)0.28
 Time×group0.01 (−0.01 to 0.02)0.28
  • Time×group=interaction between time and group. Bold indicates statistical significance.

  • LPI, laser peripheral iridotomy.