Rheumatoid arthritis

Combining patient-reported outcome measures to screen for active disease in rheumatoid arthritis and psoriatic arthritis

RMD OpenPublished Diagnostic accuracy study

Authors' conclusion

A combination of general health, HAQ-DI, EQ-5D and pain could aid as a screening tool for active disease in patients with RA and PsA.

Study context

Population
Patients with rheumatoid arthritis (RA) (tREACH and TARA trials) and psoriatic arthritis (PsA) (DEPAR cohort)4,594 RA and 1154 PsA visits
Participants
683 vs 525
Comparison
Sum score of deteriorated patient-reported outcome measure (PROMs) between two consecutive visits as a screening tool for active disease in RA and PsA
  • RAn = 683
  • PsAn = 525
Outcome
AUC of the sum score of deteriorated PROMs (general health VAS, HAQ-DI, pain VAS/NRS, EQ-5D, fatigue VAS/NRS, presenteeism) for detecting active disease
Follow-up
Between two consecutive visits
Methodological detailssecondary use of tREACH and TARA trials and DEPAR cohort data
  • Secondary use of tREACH and TARA trials and DEPAR cohort data

Performance

As reported in the abstract

Discriminative ability of combined PROMs (general health, HAQ-DI, EQ-5D, pain) for active disease
Test or modelAUCSpecificity (cut-point ≥1 deteriorated PROMs)Sensitivity (cut-point ≥1 deteriorated PROMs)Active disease visits overlooked
RA0.7640%90%10%
PsA0.8541%4%

AUC

RA0.76
PsA0.85

Specificity (cut-point ≥1 deteriorated PROMs)

RA40%
PsA41%

Sensitivity (cut-point ≥1 deteriorated PROMs)

RA90%
PsA— not stated in the abstract

Active disease visits overlooked

RA10%
PsA4%

Further findings

Visits with active disease

Original publication

Combining patient-reported outcome measures to screen for active disease in rheumatoid arthritis and psoriatic arthritis. RMD Open. Published 18 October 2024. doi:10.1136/rmdopen-2024-004687

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