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Table 1 Patient demographics

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

Parameter WTR group ATR group p value
Eyes (n) 64 68 .
MCCS: CCS (n) 33:31 35:33 .
Sex (M:F) (n) 18/23 19/22 0.082
Mean age (years) 60.94 ± 9.42 69.58 ± 10.31 0.305
Laterality (OD:OS) (n) 34/30 33/35 0.594
Preoperative mean K (D) 44.3 ± 1.2 43.8 ± 1.3 0.296
Mean IOL power (D) 19.4 ± 3.9 20.2 ± 3.5 0.658
CCT (μm) 541.8 ± 30.9 542.3 ± 32.6 0.874
ACD (mm) 3.51 ± 0.08 3.09 ± 0.12 0.182
Axial length (mm) 23.31 ± 2.07 22.29 ± 1.98 0.539
Endothelial cell count 2832.51 ± 315.64 2791.29 ± 332.91 0.377
SE (D) −1.51 ± 0.35 −1.62 ± 0.51 0.571
UCVA (log MAR) 0.62 ± 0.31 0.55 ± 0.29 0.365
BCVA (log MAR) 0.29 ± 0.11 0.27 ± 0.12 0.834
IOP (mmHg) 14.3 ± 2.51 14.6 ± 2.80 0.341
  1. Values are presented as mean ± SD
  2. ACD anterior chamber depth, ATR against-the-rule, BCVA best corrected visual acuity, CCS conventional cataract surgery, CCT central corneal thickness, IOL intraocular lens, IOP intraocular pressure, K keratometry, KA keratometric astigmatism, MCCS microcoaxial cataract surgery, SE spherical equivalent, TA total astigmatism, UCVA uncorrected visual acuity, WTR with-the-rule