Table 7 Correlation between parameters and disease duration at baseline.

From: The impact of time length to Boolean remission for tight disease activity control after acquisition in rheumatoid arthritis patients

Parameter

R

Coefficients (95% CI)

p-value

SDAI

0.141

− 0.216 (− 0.355 to − 0.076)

< 0.01

HAQ-DI

0.159

0.012 (0.005 to 0.019)

< 0.001

PS-VAS

0.115

− 0.428 (− 0.174 to − 0.087)

< 0.05

SHS

0.606

15.73 (6.48 to 15.42)

< 0.001

QOLS

0.101

− 0.002 (− 0.003 to 0.00004)

0.055

  1. 95% CI 95% confidence interval, SDAI simplified disease activity index, HAQ-DI Health Assessment Questionnaire Disability Index, PS-VAS pain score using visual analog scale, SHS Sharp/van der Heijde Score, QOLS quality of life score.
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