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Table 2 Summary statistics for VAS evaluations for dull blades

From: Evaluation of a new disposable silicon limbal relaxing incision knife by experienced users

 

Dulled Blade

N

Mean

SD

CV

Min

Median

Max

Sharpness

Atomic Edge

64

116.9

30.2

25.9

3.6

125.0

146.4

 

Diamond

64

26.9

31.5

117.1

3.6

10.7

132.1

 

Metal

64

66.2

39.8

60.2

3.6

60.7

146.4

Curvature

Atomic Edge

64

113.2

32.3

28.6

3.6

125.0

146.4

 

Diamond

64

31.5

35.5

112.9

3.6

10.7

132.1

 

Metal

64

74.3

38.0

51.1

3.6

78.6

146.4

Smoothness

Atomic Edge

64

115.2

31.0

26.9

3.6

125.0

146.4

 

Diamond

64

24.2

29.6

122.4

3.6

10.7

139.3

 

Metal

64

63.3

40.8

64.4

3.6

60.7

146.4

Control

Atomic Edge

64

108.0

37.0

34.3

3.6

125.0

146.4

 

Diamond

64

25.6

30.6

119.6

3.6

10.7

139.3

 

Metal

64

75.1

37.6

50.0

10.7

78.6

146.4

Overall

Atomic Edge

64

113.2

31.8

28.1

3.6

125.0

146.4

 

Diamond

64

25.6

31.1

121.8

3.6

10.7

139.3

 

Metal

64

68.4

39.1

57.1

10.7

67.9

139.3