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Table 3 Polar value analysis of astigmatism in WTR and ATR group after cataract surgery

From: Torsional and flattening effect on corneal astigmatism after cataract surgery: a retrospective analysis

    1 month postoperatively 2 months postoperatively
  ∆AKP(+0) p value ∆AKP(+45) p value ∆AKP(+0) p value ∆AKP(+45) p value
WTR MCCS KA −0.09 ± 0.25 0.514 0.02 ± 0.01 0.769 −0.15 ± 0.21 0.312 0.10 ± 0.07 0.658
TA −0.12 ± 0.26 0.026 0.03 ± 0.01 0.115 −0.22 ± 0.20 0.016 0.12 ± 0.10 0.012
CCS KA −0.23 ± 0.81 0.122 0.08 ± 0.04 0.281 −0.47 ± 0.61 0.310 0.16 ± 0.13 0.184
TA −0.27 ± 0.80 0.017 0.1 ± 0.05 0.046 −0.55 ± 0.63 0.008 0.29 ± 0.21 0.009
ATR MCCS KA −0.07 ± 0.23 0.438 0.02 ± 0.01 0.637 −0.13 ± 0.19 0.306 0.09 ± 0.08 0.715
TA −0.11 ± 0.29 0.041 0.02 ± 0.01 0.790 −0.20 ± 0.21 0.026 0.11 ± 0.10 0.038
CCS KA −0.21 ± 0.85 0.118 0.08 ± 0.04 0.101 −0.44 ± 0.86 0.107 0.14 ± 0.11 0.091
TA −0.25 ± 0.92 0.011 0.13 ± 0.04 0.024 −0.53 ± 0.89 0.005 0.28 ± 0.19 0.013
  1. Values are presented as mean ± SD
  2. change, AKP astigmatic polar value, ATR against-the-rule, CCS conventional cataract surgery, KA keratometric astigmatism, MCCS microcoaxial cataract surgery, TA total astigmatism, WTR with-the-rule