Table 4 Mean central corneal thickness change by group
GroupLin Tor+USFixed TorUSF*p Value
Corneal thicknessChange, %Corneal thicknessChange, %Corneal thicknessChange, %
Preop (SD)531 (21)535 (26)539 (34)0.1940.824
1 day (SD)617 (48)96 (8), 18.1621 (54)96 (11), 17.9633 (60)104 (12), 19.347.362<0.0001
7 days (SD)565 (25)44 (10), 8.3568 (32)43 (10), 8.03587 (38)58 (10), 10.757.718<0.0001
30 days (SD)534 (22)6 (5), 1.1535 (26)−6 (5), −1.1532 (20)−7 (4), −1.30.3450.732
  • *One-way ANOVA.

  • Fixed Tor, Fixed high Torsional amplitude group; Lin Tor+US, Linear Torsional combined with Ultrasound energy; US, Ultrasound mode.