Table 3 Differences of PDD, MAKS and MICA total scores among different age groups (Mean ± SD)

 35.86 ± 5.68 

36.16 ± 6.37

36.98 ± 7.24

36.60 ± 6.17

0.58

0.63

22.54 ± 2.41

22.69 ± 2.66

22.91 ± 2.46

22.56 ± 3.39

1.87

0.60

48.82 ± 7.01

49.71 ± 7.33

53.58 ± 8.06*

55.13 ± 7.30*

12.70

 < 0.001