Table 3

 Comparisons between preoperative and postoperative values of combined operation

PreoperativePostoperativeDifference between preoperative and postoperative valuesp Value
Mean IOP (mm Hg) (SD)16.6 (5.8)10.9 (4.1)−6.0 (4.9)<0.00001
Mean axial length (mm) (SD)24.10 (0.94)23.98 (0.96)−0.12 (0.06)<0.00001
Mean keratometry (dioptres) (SD)43.76 (1.15)44.00 (1.24)0.23 (0.46)0.02
Mean refractive error (spherical equivalent in dioptres) (SD)−0.23 (0.12)−0.01 (0.90)0.22 (0.91)0.25