Table 6 Mean endothelial corneal cell counts (ETC) count by group
GroupLin Tor+USFixed TorUSF*p Value
ETCETC change, %ETCETC change, %ETCETC change, %
Preop (SD)2450 (298)2431 (287)2418 (283)0.9440.351
7 days (SD)2297 (322)−153 (132), −6.22277 (298)−154 (109), 6.32132 (331)−286 (106), −11.82.9820.004
30 days (SD)2191 (343)−259 (185), −10.62176 (320)−255 (171), 10.52089 (349)−329 (150), −13.63.3460.001
  • *One-way ANOVA.

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