Table 2

Standardised differences before and after adjustment within each propensity score stratum

VariableSD unadjSD adjSD Q1SD Q2SD Q3SD Q4SD Q5
Female−0.0400.01790.170−0.2880.154−0.1240.096
Age mean0.055−0.01410.4750.056−0.206−0.015−0.474
>5 years since diagnosis0.2720.0076−0.05790.2340.190−0.238−0.012
Extra-articular manifestations0.285−0.01750.1950.102−0.0050.025−0.367
Prior no of TNFs >10.6260.05570.0000.0000.0000.2330.000
Use of ≥2 DMARDs0.2010.02100.1700.0330.083−0.155−0.127
Toxicity DMARDs0.233−0.00490.075−0.119−0.1950.0560.171
  • adj, adjusted; DMARD, disease-modifying antirheumatic drug; Q, quintile; SD, standardised difference; TNF, tumour necrosis factor; unadj, unadjusted.