Table 6 The result of comparison of MHD and CPP in different groups with t-test

± S

p

± S

p

male

32.31 ± 11.22

0.19

25890.46 ± 9663.03

0.039

female

29.55 ± 10.74

22071.86 ± 8537.38

smoker

35.07 ± 11.89

0.018

27580.14 ± 9721.63

0.025

non-smoker

29.67 ± 10.60

23085.26 ± 9174.67

male non-smoker

29.86 ± 11.35

0.898

24149.55 ± 9284.89

0.326

female

29.55 ± 10.74

22071.86 ± 8537.38

medicare

29.84 ± 9.97

0.628

18217.54 ± 8933.08

0.002

non-medicare

31.39 ± 11.91

25193.69 ± 9652.72

rural

31.44 ± 10.17

0.896

24165.41 ± 8141.78

0.901

urban

31.12 ± 9.78

24425.96 ± 8424.43

I,II

27.25 ± 10.74

0.000

19544.09 ± 7412.78

0.000

III,IV

35.96 ± 12.67

30163.82 ± 9039.12