95 The short-term effectiveness of e-Exercise low back pain – a cluster RCT improving physical functioning in the short term. For both stratified blended physiotherapy and face-to-face physiotherapy, within-group improvements were clinically relevant. To be able to decide whether e-Exercise LBP should be implemented in daily physiotherapy practice, future research should focus on the long-term cost-effectiveness and determine which patients benefit most from stratified blended physiotherapy. Trial Registration: ISRCTN Registry 94074203; https://doi.org/10.1186/ISRCTN94074203 International Registered Report Identifier (IRRID): RR2-https://doi.org/10.1186/s12891020-3174-z (J Med Internet Res 2022;24(2):e31675) doi: 10.2196/31675 Keywords: eHealth; nonspecific low back pain; physiotherapy; blended care; mobile phone 5
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