Types and proportions of background fighting styles
| Background fighting style | Percentage of competitors ±95% CI (n = 1284 competitors) |
|---|---|
| Styles with <2% representation each included aikido, boxing, capoeira, jeet kune do, judo, kuk sool won, kung fu, ninjitsu, savate, sumo, and tae kwon do. | |
| *Competitors had a preponderance of grappling skills intermixed with striking capabilities. | |
| †Competitors blended grappling skills with striking skills equally. | |
| ‡Competitors were accustomed to illegal, no rules matches. | |
| CI, Confidence interval. | |
| Jiu-jitsu | 22.2±2.3 |
| Wrestling | 20.3±2.2 |
| Submission fighting* | 16.2±2.0 |
| Kickboxing | 12.9±1.8 |
| Freestyle† | 11.1±1.7 |
| Sambo | 2.6±1.0 |
| Karate | 2.3±0.8 |
| Pitfighting‡ | 2.0±0.8 |