Table 2

 Types and proportions of background fighting styles

Background fighting stylePercentage 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-jitsu22.2±2.3
Wrestling20.3±2.2
Submission fighting*16.2±2.0
Kickboxing12.9±1.8
Freestyle†11.1±1.7
Sambo2.6±1.0
Karate2.3±0.8
Pitfighting‡2.0±0.8