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Table2 Comparison of Oral Health Impact Profile scores between RA patients and healthy controls(left), and assessment of the association of each item with RA activity(right)

From: Oral health-related quality of life in rheumatoid arthritis: a comparative analysis

OHIP-14 dimensions/questions

Mann–Whitney U test

Kruskal–Wallis test

Study groups, mean ± SD

  

RA activity, mean rank

Significance

Control(N = 40)

RA patients(N = 40)

Total(80 N)

Z-score

Significance

Remission

Low Disease Activity

Moderate Disease Activity

Severe Disease Activity

Trouble pronouncing words

0.08 ± 0.35

0.42 ± 0.93

0.25(0.72

−2.275

.023*

19.93

16.00

24.63

18.92

0.170

Sense of taste worsened

0.43 ± 0.74

1.25 ± 1.37

0.84 ± 1.17

−2.954

.003*

19.97

19.00

21.67

21.25

0.956

Painful aching in mouth

0.90 ± 0.92

1.33 ± 1.24

1.11 ± 1.11

−1.415

0.157

19.87

16.29

24.13

19.75

0.507

Uncomfortable eating

0.35 ± 0.77

1.33 ± 1.45

0.84 ± 1.25

−3.331

0.001*

23.33

17.36

22.63

12.83

0.171

Felt self-conscious

0.50(0.96

1.15 ± 1.36

0.83 ± 1.22

−2.367

0.018*

22.83

18.64

22.08

13.67

0.314

Felt tense

0.30 ± 0.79

1.00 ± 1.39

0.65 ± 1.18

−2.750

0.006*

21.97

20.71

21.63

14.33

0.474

Diet unsatisfactory

0.20 ± 0.56

0.78 ± 1.25

0.49 ± 1.00

−2.313

0.021*

21.33

22.57

19.96

17.08

0.750

Interrupt meals

0.37 ± 0.62

0.70 ± 1.06

0.54 ± 0.88

−1.300

0.194

20.53

21.29

21.42

17.67

0.901

Difficulty relaxing

0.27 ± 0.64

1.00 ± 1.377

0.64 ± 1.12

−2.776

0.006*

22.70

23.93

20.25

11.50

0.128

Been embarrassed

0.30 ± 0.68

1.08 ± 1.52

0.69 ± 1.23

−2.336

0.019*

19.83

23.00

23.88

12.50

0.147

Irritable with other people

0.38 ± 0.58

0.80 ± 1.32

0.59 ± 1.04

−.674

0.501

21.23

19.79

20.46

19.58

0.981

Difficulty doing usual jobs

0.18 ± 0.44

0.63 ± 1.17

0.40 ± 0.90

−1.623

0.105

22.37

21.00

19.29

17.67

0.701

Life less satisfying

0.10 ± 0.37

0.75 ± 1.29

0.43 ± 1.00

−2.874

0.004*

21.13

20.29

23.08

14.00

0.307

Unable to function

0.15 ± 0.36

0.58 ± 1.15

0.36 ± 0.87

−1.393

0.164

21.30

21.43

20.08

18.25

0.894

Total Oral Function

1.42 ± 2.17

4.47 ± 4.49

2.95 ± 3.82

−3.592

< 0.001*

20.93

19.86

22.42

16.33

0.766

Total Psychosocial Impact

1.67 ± 2.30

5.82 ± 8.06

3.75 ± 6.25

−1.709

0.087

20.20

23.00

23.25

20.20

0.286

OHIP-14 sum score

4.50 ± 5.49

12.78 ± 14.04

8.64 ± 11.38

−3.186

0.001*

20.60

19.57

23.21

15.92

0.655

OHIP-14 Extent score

0.30 ± 0.88

1.98 ± 3.48

1.14 ± 2.66

−2.874

0.004*

20.97

23.07

21.21

14.92

0.518

  1. *Statistically significant difference (P-value < 0.05)