Table 4.

Unadjusted and adjusted direct healthcare and indirect costs (2016 US$) in the followup period1.

VariablesUnadjusted AnalysisAdjusted Analysis
Patients with SScMatched ControlsPatients with SScMatched ControlsCost Differencep
All-cause annual healthcare costs
  Total direct healthcare costs22,016597718,069525012,820< 0.0001
  Total medical costs16,269407613,02432689756< 0.0001
    IP65021316596712674701< 0.0001
    ER708248638240398< 0.0001
    OP80252365676619424825< 0.0001
    Other1035148837182656< 0.0001
  Pharmacy57461901462516842942< 0.0001
Annual indirect costs
  Total indirect costs51701663455414513103< 0.0001
    Disability155413715131511361< 0.0001
    Medically related absenteeism36161526336213332029< 0.0001
  • 1 The followup period was defined as the 12-month period following the index date. Values are expressed as means. SSc: systemic sclerosis; IP: inpatient; ER: emergency room; OP: outpatient.