Table 2.
Sensitivity analysis to evaluate influence of health status, intervention type, measurement type and study design
| Category | No of EF measurements per subgroup | Effect Size | 95% CI | p | P between groups | I2 |
|---|---|---|---|---|---|---|
| 1. Health Status | 1 | |||||
| Health | 7 | 0.29 | 0.05–0.53 | 0.02 | 27% | |
| Increased CVD risk | 14 | 0.29 | 0.06–0.52 | 0.01 | 81% | |
| 2. Type of intervention | 0.62 | |||||
| MedDiet Only | 10 | 0.35 | 0.03–0.73 | 0.07 | 83% | |
| MedDiet + Other | 11 | 0.25 | 0.08–0.41 | 0.003 | 50% | |
| 3. Type of measurement | 0.003 | |||||
| Structural | 7 | 0.09 | 0.09–0.27 | 0.33 | 34% | |
| Functional | 14 | 0.43 | 0.19–0.67 | < 0.001 | 76% | |
| 4. Study design | 0.22 | |||||
| Crossover | 4 | 0.02 | 0.49–0.52 | 0.95 | 75% | |
| Parallel | 17 | 0.35 | 0.17–0.54 | < 0.001 | 73% |