TABLE 2.
Comparison the effects of IER and CER on body weight and body composition.
| Outcomes | Within-group | IER vs. CER | |||
| IER | CER | ||||
| BW (kg) | Trails | 20 | 20 | 20 | |
| MD (95% CI) | −5.46 (−6.85, −4.07) | −4.94 (−6.47, −3.41) | −0.80 (−1.26, −0.33) | ||
| Heterogeneity | I 2 | 0 | 0 | 0 | |
| P | 0.94 | 0.96 | 0.87 | ||
| P | <0.001 | <0.001 | <0.001 | ||
| BMI | Trails | 8 | 8 | 8 | |
| MD (95% CI) | −2.35 (−2.96, −1.74) | −2.27 (−2.95, −1.60) | −0.16 (−0.57, 0.24) | ||
| Heterogeneity | I 2 | 52 | 0 | 50 | |
| P | 0.04 | 0.45 | 0.05 | ||
| P | <0.001 | <0.001 | 0.42 | ||
| BF (kg) | Trails | 11 | 11 | 11 | |
| MD (95% CI) | −4.80 (−6.05, −3.55) | −2.79 (−4.39, −1.19) | −0.75 (−1.73, −0.13) | ||
| Heterogeneity | I 2 | 0 | 0 | 0 | |
| P | 0.98 | 1.00 | 0.52 | ||
| P | <0.001 | <0.001 | 0.02 | ||
| FFM (kg) | Trails | 11 | 11 | 11 | |
| MD (95% CI) | −1.13 (−2.04, −0.23) | −1.61 (−2.68, −0.36) | −0.49 (−0.92, −0.05) | ||
| Heterogeneity | I 2 | 0 | 0 | 0 | |
| P | 1.00 | 0.95 | 0.95 | ||
| P | 0.01 | 0.01 | 0.03 | ||
| HC (cm) | Trails | 10 | 10 | 10 | |
| MD (95% CI) | −4.17 (−5.48, −2.87) | −4.10 (−5.28, −2.91) | 0.01 (−0.64, 0.67) | ||
| Heterogeneity | I 2 | 0 | 41 | 25 | |
| P | 0.66 | 0.08 | 0.22 | ||
| P | <0.001 | <0.001 | 0.97 | ||
BF, body fat; BMI, body mass index; BW, body weight; CER, continuous energy restriction; CI, confidence interval; FFM, fat free mass; HC, hip circumference; IER, intermittent energy restriction; MD, mean difference.