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Table 1 Bivariate and multivariate analysis of factors associated with quality of life among SLE patients

From: Cognitive impairment in systemic lupus erythematosus patients: prevalence and its association with quality of life

Variables

Lupus quality of life score

Bivariate analysis

Multivariate analysis***

Median (Q1-Q3)

r

p

β coefficient

p

95% CI

 

R square

Lower

Upper

 

Cognitive impairment*

       

0.38

 Yes

80.35 (65.67–85.83)

-

0.750

    

 No

77.25 (65.42–88.48)

      

Depression*

       

 Yes

63.22 (47.02–83.74)

-

0.003****

-6.47

0.058

-13.17

0.23

 No

81.06 (71.11–87.20)

      

Anxiety*

       

 Yes

65.33 (50.77–77.18)

-

< 0.001****

-14.67

< 0.001****

-20.49

-8.86

 No

84.20 (76.85–89.24)

      

Disease duration**

-

0.24

0.011****

0.03

0.165

-0.01

0.07

Age**

-

0.18

0.058

0.14

0.288

-0.12

0.40

Disease activity**

-

-0.15

0.117

-0.17

0.709

-1.08

0.74

Comorbidities*

       

 Yes

81.51 (62.44–88)

 

0.680

    

 No

77.99 (65.67–86.75)

      

Steroid dose**

-

-0.10

0.291

    

Immunosuppressants medications

  

Hydroxychloroquine*

  

 Yes

80.86 (65.40–86.75)

-

0.790

     

 No

78.16 (69.56–87.76)

      

Mycophenolate sodium*

   

 Yes

76.40 (54.52–85.49)

-

0.073

     

 No

81.49 (67.93–88.35)

      

Azathioprine*

       

 Yes

78.16 (65.44–89.70)

-

0.573

    

 No

80 (65.53–86.77)

      

Methotrexate*

   

 Yes

64.73 (51.56–86.28)

-

0.257

     

 No

80.18 (65.72–87.09)

      

Cyclosporine*

   

 Yes

88.16 (73.50–89.24)

-

0.212

5.43

0.424

-7.97

18.82

 

 No

79.19 (65.41–86.62)

      

Organ Involvement

  

Musculoskeletal*

  

 Yes

80.18 (65.61–87.13)

-

0.387

     

 No

73.70 (62.93–84.29)

      

Mucocutaneous*

   

 Yes

79.75 (65.42–86.94)

-

0.519

     

 No

81.51 (68.98–92.31)

      

Renal*

   

 Yes

81.34 (70.80–87.17)

-

0.431

     

 No

78.39 (65.06–86.87)

      

Hematology*

   

 Yes

83.50 (65.22–88.79)

-

0.577

     

 No

78.58 (65.56–85.88)

      

Neuropsychiatric*

   

 Yes

80 (50.49–88.28)

-

0.452

     

 No

79.75 (67.07–86.77)

      

Education level*

  

 Primary

81.51 (59.05–91.16)

-

0.160

1.40

0.497

-2.68

5.48

 

 Secondary

77.48 (61.23–85.83)

      

 Tertiary

81.05 (66.83–89.02)

      
  1. *Mann Whitney U test, **Spearman test, ***linear regression, ****p < 0.050