Table 4.
Between-group effect sizes, confidence limits, likelihood effects and odds ratios for performance data.
| Variable | Mean difference | Effect size | Confidence limits | Control is beneficial (%) | Similar (%) | Plyometric is beneficial (%) | Effect description | Odd ratio of benefits to harm |
|---|---|---|---|---|---|---|---|---|
| CMJ (cm) | -2.2 | -0.66 | -1.32 to 0.00 | 1.8% | 10.5% | 87.7% | Likely beneficial | 399 |
| SLJ (cm) | -5.7 | -0.28 | -0.93 to 0.37 | 0.4% | 31.1% | 68.5% | Possibly beneficial | 605 |
| 25-m KWP (s) | -3.1 | -1.43 | -2.15 to -0.71 | 3.1% | 4.6% | 92.3% | Likely beneficial | 369 |
| 25-m WP (s) | -0.8 | -0.62 | -1.28 to 0.04 | 1.6% | 11.3% | 87.1% | Likely beneficial | 404 |
| 15-m front crawl (s) | -0.4 | -0.60 | -1.26 to 0.06 | 1.6% | 11.7% | 86.7% | Likely beneficial | 407 |
| 25-m front crawl (s) | -0.6 | -0.58 | -1.24 to 0.08 | 1.5% | 12.2% | 86.3% | Likely beneficial | 411 |
| 50-m front crawl (s) | -1.5 | -0.50 | -1.16 to 0.15 | 3.2% | 4.4% | 92.4% | Likely beneficial | 368 |
CMJ: countermovement jump; SLJ: standing long jump; 25-m KWP: 25-m kick without push; 25-m WP: 25-m front crawl without push.