Table 4.
Summary of findings for clinical trials using the GRADE quality of evidence assessment.
| Quality Assessment of Studies on HIIT Improving Aerobic Fitness and QoL | |||||||
| Number of Studies (Subjects) | Risk of Bias | Inconsistency | Indirectness | Imprecision | Publication Bias | Quality | Grade of Recommendation |
| 5 (n = 168) | Serious * | Not serious † | Not serious | Not serious | Not serious † | Moderate quality | Strongly in favor |
| Quality Assessment of Studies on MICT Improving Aerobic Fitness and QoL | |||||||
| Number of Studies (Subjects) | Risk of Bias | Inconsistency | Indirectness | Imprecision | Publication Bias | Quality | Grade of Recommendation |
| 5 (n = 169) | Serious * | Not serious † | Not serious | Not serious | Not serious † | Moderate quality | Strongly in favor |
* Blinding and/or allocation concealment issues. † Low number of participants. The GRADE system establishes four degrees of evidence (high, moderate, low and very low) and two degrees of recommendation (strong or weak) for or against an intervention. For each item, a judgment is made (very serious, serious, not serious).