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Table 5 ANOVA Table of preoperative corneal astigmatism orientation groups. (non-average axial length eyes, i.e., eyes with an axial length less than or equal to 22.0 mm or greater than or equal to 25.0 mm)

From: Investigating the impact of preoperative corneal astigmatism orientation on the postoperative spherical equivalent refraction following intraocular lens implantation

ANOVA Table
Source SS df MS F Prob>F
Groups (Between) 0.039 2 0.019 0.081 0.923
Error (Within) 11.715 48 0.244   
Total 11.754 50    
  1. SS=Sum of Squares; df = degree of freedom; MS = Mean Square; F=F-Statistic