Table 3 The comparison of utility index and VAS score between four groups (normal, depressive symptoms, anxiety symptoms and comorbid depressive and anxiety symptoms)

0.963 ± 0.093

< 0.001

79.13 ± 14.22

< 0.001

0.877 ± 0.184

70.65 ± 17.22

0.909 ± 0.152

73.80 ± 15.45

0.793 ± 0.243

63.70 ± 18.55

0.966 ± 0.091

< 0.001

79.17 ± 14.14

< 0.001

0.893 ± 0.166

69.76 ± 17.38

0.922 ± 0.155

74.59 ± 16.40

0.812 ± 0.237

63.81 ± 18.81

0.961 ± 0.095

< 0.001

79.10 ± 14.27

< 0.001

0.869 ± 0.193

71.14 ± 17.13

0.904 ± 0.151

73.49 ± 15.09

0.784 ± 0.247

63.66 ± 18.46