Table 4.

Assessment of quality of evidence using GRADE system.

	Domains
Outcome	1	2	3	4	Quality of evidence
Psychopathology	+	+	−	+	† † †
Quality of life	+	+	−	+	† † †
Anthropometric measurements and composition	+	−	+	+	† † †
Cardiorespiratory fitness	+	+	+	+	† † † †
ADL	−	+	+	+	† † †
Cognitive function	+	+	−	−	† †
Muscular strength	+	−	+	+	† † †
Physical function	+	+	+	+	† † † †
Physical health biomarkers	+	+	−	−	† †
Psychological biomarkers	−	−	−	+	†
Stress and anxiety	−	−	−	+	†

1, risk of bias; 2, imprecision; 3, inconsistency; 4, indirectness; † † † †, high quality; † † †, moderate quality; † †, low quality; †, very low quality.