Table 3 Comparison of preoperative navigation orientation accuracy (mm) between two navigation surgery groups.

From: An excellent navigation system and experience in craniomaxillofacial navigation surgery: a double-center study

Point

Group

Number of patients

Mean

Standard deviation

Minimum

P25

Median

P75

Maximum

Statistical magnitude (t)

P-value

1

Experimental

28

0.65

0.12

0.43

0.55

0.61

0.73

0.96

2.1360

0.0373

Control

27

0.73

0.16

0.51

0.58

0.72

0.82

1.11

2

Experimental

28

0.96

0.25

0.57

0.75

0.92

1.20

1.34

1.1433

0.2581

Control

27

1.03

0.22

0.70

0.88

1.02

1.17

1.45

3

Experimental

28

1.02

0.22

0.44

0.90

0.99

1.12

1.50

2.3543

0.0223

Control

27

1.16

0.23

0.61

1.03

1.16

1.31

1.58

4

Experimental

28

1.03

0.27

0.55

0.87

1.00

1.27

1.50

1.5189

0.1347

Control

27

1.14

0.24

0.64

0.95

1.11

1.31

1.62

5

Experimental

28

1.02

0.26

0.56

0.83

1.03

1.18

1.47

0.7573

0.4522

Control

27

1.07

0.20

0.68

0.93

1.09

1.22

1.40

6

Experimental

28

1.02

0.26

0.56

0.76

1.06

1.20

1.52

2.0873

0.0417

Control

27

1.15

0.23

0.72

0.99

1.19

1.30

1.63

7

Experimental

28

1.01

0.34

0.52

0.72

1.01

1.28

1.81

1.5953

0.1166

Control

27

1.13

0.21

0.72

1.01

1.13

1.23

1.65

8

Experimental

28

1.02

0.23

0.58

0.82

1.01

1.20

1.46

2.3146

0.0245

Control

27

1.17

0.24

0.80

0.93

1.17

1.33

1.60

  1. Using the group t test for statistics; the statistical magnitude was t.
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