Table 2.

Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) summary of findings. QoL: quality of life. SMD: standardized mean difference.

Outcome	Number of patients		Effect		Quality	Importance
	Electronic health–supported exercise	No or other intervention	Relative (95% CI)	Absolute (95% CI)
Pain short term (follow-up: range 1 month to 6 months; assessed with self-report questionnaire 0-100 (higher numbers=more pain)	367	361	–a	SMD 0.31 SD lower (0.04 lower to 0.58 lower)	++oo Low	Important
Pain long term (follow-up: range 9 months to 12 months; assessed with self-report questionnaire 0-100 (higher numbers=more pain)	212	204	–	SMD 0.3 SD lower (0.07 lower to 0.53 lower)	+++o Moderate	Critical
Physical function short term (follow-up: range 1 months to 6 months; assessed with self-report questionnaire 0-100; higher numbers=better function)	243	236	–	SMD 0.3 SD higher (0.17 lower to 0.76 higher)	++oo Low	Important
Physical function long term (follow-up: range 9 months to 12 months; assessed with self-report questionnaire 0-100; higher numbers=better function)	211	205	–	SMD 0.41 SD higher (0.17 higher to 0.64 higher)	++++ High	Critical
QoL short term (follow-up: range 3 months to 6 months; assessed with self-report questionnaire 0-100; higher numbers=better QoL)	227	219	–	SMD 0.24 SD higher (0.05 higher to 0.43 higher)	+++o Moderate	Important
QoL long term (follow-up: range 9 months to 12 months; assessed with self-report questionnaire 0-100; higher numbers=better QoL)	211	204	–	SMD 0.27 SD higher (0.06 higher to 0.47 higher)	++++ High	Critical

^aIndicates "not applicable".