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Table 1 Comparisons of patient characteristics and preoperative parameters

From: Comparisons of the energy efficiency and intraocular safety of two torsional phacoemulsification tips

 

Balanced tip group (n = 47)

Kelman tip group (n = 57)

P value

Age

69.57 ± 6.64

70.75 ± 8.91

0.454

Patient number

35

47

 

Gender (Male/Female)

18(51.4%)/17(48.6%)

14(29.8%)/33(70.2)

0.067

Eye (right/left)

27(57.4%)/20(42.6%)

30(52.6%)/27(47.4%)

0.694

Stage of Nucleusa

 2

15(31.9%)

24(42.1%)

0.598

 3

21(44.7%)

20(35.1%)

 4

11(23.4%)

13(22.8%)

ACD (mm)

3.01 ± 0.43

3.04 ± 0.37

0.697

CCT (μm)

514.3 ± 31.1

527.8 ± 24.8

0.057

ECD (/mm2)

2359.5 ± 524.2

2450.6 ± 429.4

0.446

  1. ACD anterior chamber depth, CCT corneal central thickness, ECD endothelial cell density
  2. aNucleus grading by LOCSII