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.