Table 3

 Types and proportions of match stoppages because of head impact

Mechanism of match stoppagePercentage of matches ±95% CI (n = 642 matches)
*Any assorted barrage of strikes to opponent’s head.
CI, Confidence interval.
Punch16.8±2.9
Various strikes*5.9±1.8
Knee strike2.2±1.1
Elbow strike1.6±1.0
Kick0.9±0.7
Slam to ground0.6±0.6
Head stomp0.3±0.4