Table 2: Average quality indices and corresponding improvement ratios ( 1σ) of MLC 160 versus m3 systems.

Group

Index

m3

MLC-160

IR (%)

p-value

I (n = 36)

TC

0.98 0.01

0.98 0.01

-0.09 0.54

0.279

CI

0.72 0.04

0.65 0.04

-8.70 4.78

< 0.001

CN

0.70 0.04

0.64 0.04

-8.79 4.69

< 0.001

CGI

80.09 2.36

77.23 2.09

-3.55 1.61

< 0.001

II (n = 16)

TC

0.98 0.01

0.98 0.01

-0.11 0.46

0.234

CI

0.73 0.03

0.70 0.03

-4.21 3.38

0.001

CN

0.72 0.03

0.69 0.03

-4.32 3.38

0.001

CGI

80.87 2.35

79.91 2.16

-1.18 0.78

< 0.001

III (n = 15)

TC

0.95 0.07

0.94 0.08

-0.81 1.99

0.169

CI

0.70 0.10

0.66 0.10

-6.12 7.43

0.003

CN

0.66 0.07

0.62 0.07

-6.84 7.95

0.003

CGI

81.33 9.93

78.87 10.22

-3.05 3.59

0.002

IV (n = 23)

TC

0.98 0.08

0.97 0.01

-0.91 1.19

< 0.001

CI

0.66 0.08

0.59 0.10

-11.11 7.15

< 0.001

CN

0.64 0.08

0.57 0.10

-11.91 7.30

< 0.001

CGI

75.90 4.99

73.70 5.75

-2.95 2.57

< 0.001