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Table 6 Mean values of each subgroup and Kruskal-Wallis test results of airway measurements

From: Comparison of the effects on the pharyngeal airway space of maxillary protraction appliances according to the methods of anchorage

Kruskal-Wallis test

∆ SPPS

∆ MPS

∆ IPS

∆ SPPA

∆ MPA

∆ IPA

TBFM

Subgroup A

1.54

1.88

1.02

35.6

30.8

24.13

Subgroup B

1.12

1.78

1.26

36.99

26.37

27.88

SAFM

Subgroup A

3.74

2.91

2.50

64.65

34.34

72.37

Subgroup B

1.09

2.68

2.58

89.61

25.82

71.68

P

0.035*

0.092

0.078

0.014*

0.982

0.006*

  1. Measurements are in millimeters
  2. *P < 0.05