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Table 1 Critical characteristics in the unmatched and propensity score matched cohorts

From: Overlapping Sjogren’s syndrome reduces the probability of reaching target in rheumatoid arthritis patients: a propensity score matched real-world cohort from 2009 to 2019

 Unmatched cohortMatched cohort
RA with SSRA without SSRA with SSRA without SS
(n = 129)(n = 970)(n = 126)(n = 126)
Female, n (%)129 (100)733 (75.6)126 (100)126 (100)
Seropositive, n (%)124 (96.1)841 (86.7)123 (97.6)123 (97.6)
T2T, n (%)107 (82.9)851 (87.7)105 (83.3)112 (88.9)
Age, median (IQR) years51 (45–61)55 (46–64)51 (44–61)58 (47–64)
RA duration, median (IQR) months24 (8–120)24 (6–84)24 (7–120)12 (4–60)
DAS28-CRP at 1st visit, median (IQR)3.86 (2.78–4.74)3.81 (2.9–4.91)3.86 (2.78–4.74)3.66 (2.68–4.92)
  1. Values are presented as n (%) for binary variables or median (IQR) for continuous variables. Seropositive positive for RF or ACPA, T2T treat-to-target approach, IQR interquartile ranges