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Table 2 Mean differences of derived HAQ and RADAI scores obtained by paper-respectively App-based questionnaires

From: Mobile App-based documentation of patient-reported outcomes — 3-months results from a proof-of-concept study on modern rheumatology patient management

PROMs score

Mean differences (SD)

App – paper-based

p value of equivalence tests

Baseline

 Derived HAQ (n = 57)

   0.01 (0.07)

< 0.0001

 RADAI (n = 58)

   0.00 (0.46)

< 0.0001

Follow-up

 Derived HAQ (n = 51)

   0.03 (0.14)

< 0.0001

 RADAI (n = 51)

−0.04 (0.28)

< 0.0001