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Table 4 Correlation between the social, clinical, quality of life, and access profile and expenditure (N = 300)

From: Characterization of the patterns of care, access, and direct cost of systemic lupus erythematosus in Brazil: findings from the Macunaíma study

Variable

Drugs

(correlation [p-value])

Consultation

(correlation [p-value])

Exams

(correlation [p-value])

Hospitalization

(correlation [p-value])

Total cost, per patient/ per year (correlation [p-value])

Schooling, years

0.110 (0.06)

-0.098 (0.114)

-0.026 (0.655)

0.091 (0.477)

0.152 (0.008)

Income

0.155 (0.023*)

-0.046 (0.525)

0.105 (0.122)

0.018 (0.904)

0.143 (0.032)

SLEDAI 12 months

0.173 (0.003*)

0.202 (< 0.001*)

0.145 (0.013*)

-0.082 (0.52)

0.152 (0.008)

SLEDAI interview

0.069 (0.241)

0.188 (0.002*)

0.059 (0.313)

0.162 (0.2)

0.109 (0.061)

SDI 12 months

0.202 (< 0.001*)

0.344 (< 0.001*)

0.180 (0.002*)

-0.181 (0.152)

0.192 (< 0.001)

SDI score

0.200 (< 0.001*)

0.339 (< 0.001*)

0.168 (0.004*)

-0.204 (0.106)

0.186 (< 0.001)

SDI interview

0.204 (< 0.001*)

0.405 (< 0.001*)

0.177 (0.002*)

0.002 (0.985)

0.260 (< 0.001)

Loss of productivity*

0.005 (0.937)

0.094 (0.127)

0.056 (0.345)

0.211 (0.094)

0.110 (0.058)

12-Item Short Form Survey (Physical component)

-0.087 (0.137)

-0.198 (0.001*)

-0.115 (0.05)

-0.019 (0.88)

-0.159 (0.006)

12-Item Short Form Survey (Mental component)

-0.016 (0.783)

-0.116 (0.059)

0.036 (0.542)

-0.118 (0.354)

-0.079 (0.174)

Missing scheduled medical appointments

0.039 (0.512)

0.248 (< 0.001*)

0.049 (0.402)

-0.028 (0.83)

0.123 (0.033)

Number of total medicines administered daily

0.411 (< 0.001*)

0.376 (< 0.001*)

0.338 (< 0.001*)

-0.027 (0.835)

0.393 (< 0.001)

Glucocorticosteroids user (n)

0.257 (< 0.001*)

0.075 (0.322)

0.009 (0.905)

-0.038 (0.79)

0.204 (0.004)

  1. *Evaluated by WPAI. SDI, Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index; SLE, systemic lupus erythematosus; SLEDAI, SLE Disease Activity Index; WPAI, Work Productivity Activity Index. p-values in bold text denote statistically significant differences (p < 0.05)