Variables | Unadjusted Analysis | Adjusted Analysis | ||||
---|---|---|---|---|---|---|
Patients with SSc | Matched Controls | Patients with SSc | Matched Controls | Cost Difference | p | |
All-cause annual healthcare costs | ||||||
Total direct healthcare costs | 22,016 | 5977 | 18,069 | 5250 | 12,820 | < 0.0001 |
Total medical costs | 16,269 | 4076 | 13,024 | 3268 | 9756 | < 0.0001 |
IP | 6502 | 1316 | 5967 | 1267 | 4701 | < 0.0001 |
ER | 708 | 248 | 638 | 240 | 398 | < 0.0001 |
OP | 8025 | 2365 | 6766 | 1942 | 4825 | < 0.0001 |
Other | 1035 | 148 | 837 | 182 | 656 | < 0.0001 |
Pharmacy | 5746 | 1901 | 4625 | 1684 | 2942 | < 0.0001 |
Annual indirect costs | ||||||
Total indirect costs | 5170 | 1663 | 4554 | 1451 | 3103 | < 0.0001 |
Disability | 1554 | 137 | 1513 | 151 | 1361 | < 0.0001 |
Medically related absenteeism | 3616 | 1526 | 3362 | 1333 | 2029 | < 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.