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Table 2 Comparison of the pre and postoperative variables analyzed in the study

From: Clinical outcomes with a new microincisional diffractive multifocal IOL

  Preoperatively Postoperatively
Mean (SD) Multifocal group Control group P-value Multifocal group Control group P-value
Range (Statistical test)
Age (years) 67.30 (3.77) 68.37 (9.11) 0.65 --- --- ---
58 to 71 46 to 80
LogMAR UDVA 0.73 (0.38) 1.40 (0.74) <0.01 0.22 (0.17) 0.13 (0.14) 0.02
0.30 to 1.50 0.10 to 2.00 0.00 to 0.70 0.00 to 0.50
Sphere (D) -0.41 (2.52) -0.61 (4.70) 0.92 +0.16 (0.65) +0.03 (0.48) 0.4
-5.00 to +3.50 -7.25 to +12.00 -0.75 to +2.00 -1.00 to +1.25
Cylinder (D) -0.78 (0.54) -0.80 (0.46) 0.93 -0.70 (0.55) -0.59 (0.56) 0.37
-1.75 to 0.00 -1.75 to 0.00 -1.50 to 0.00 -2.25 to 0.00
LogMAR CDVA 0.33 (0.31) 0.24 (0.22) 0.51 0.07 (0.16) 0.02 (0.04) 0.02
0.00 to 1.00 0.00 to 0.82 0.00 to 0.70 0.00 to 0.20
LogRAD UNVA 0.69 (0.22) 0.71 (0.34) 0.64 0.31 (0.22) 0.57 (0.16) <0.01
0.40 to 1.00 0.10 to 1.10 0.00 to 0.90 0.30 to 0.90
LogRAD CDNVA --- --- --- 0.26 (0.18) 0.60 (0.12) <0.01
0.00 to 0.80 0.40 to 0.89
LogRAD CNVA 0.36 (0.27) 0.26 (0.19) 0.15 0.14 (0.14) 0.15 (0.07) 0.77
0.10 to 1.20 0.10 to 0.70 0.00 to 0.60 0.10 to 0.30
IOL Power (D) 20.80 (1.87) 21.74 (4.98) 0.5 --- --- ---
18.0 to 23.50 14.0 to 40
  1. Comparative table shows the preoperative and postoperative conditions at 3 months after cataract surgery. The corresponding p-values for the comparison between groups are shown for each parameter evaluated.
  2. *Abbreviations: SD, standard deviation; D, diopters; UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity; UCNVA, uncorrected near visual acuity; CNVA, corrected near visual acuity.