Table 2.
a) Effect of HIT vs. lower intensity exercise on cardiopulmonary fitness (VO2max) and body composition. b) Effect of HIIT vs. lower intensity exercise on cardiopulmonary fitness (VO2max) and body composition
| a | study (n) | participants (n) | MD (IV, Random, 95% CI) | p‐value | I2 |
|---|---|---|---|---|---|
| VO2max (ml/kg/min) | 15 | 469 | 1.83 [0.70, 2.96] | <0.05 | 31% |
| BMI (kg/m2) | 15 | 437 | 0.20 [‐1.10, 1.50] | 0.76 | 91% |
| Body weight (kg) | 12 | 386 | ‐1.18 [‐4.16, 1.80] | 0.44 | 0% |
| Body fat (%) | 10 | 296 | ‐1.69 [‐3.10, ‐0.27] | 0.02 | 30% |
| Waist circumference (cm) | 8 | 253 | ‐1.04 [‐4.54, 2.45] | 0.56 | 27% |
| b | |||||
|---|---|---|---|---|---|
| VO2max (ml/kg/min) | 11 | 257 | 1.79 [0.21, 3.36] | 0.03 | 38% |
| BMI (kg/m2) | 9 | 177 | 0.37 [‐1.44, 2.18] | 0.69 | 70% |
| Body weight (kg) | 7 | 153 | ‐0.42 [‐5.30, 4.47] | 0.87 | 7% |
| Body fat (%) | 7 | 157 | ‐2.01 [‐3.73, ‐0.30] | 0.02 | 0% |
| Waist circumference (cm) | 5 | 111 | ‐1.63 [‐6.37, 3.10] | 0.87 | 7% |