Table 2. Incidence rates of injury in mixed martial arts matches by competition characteristics, September 2001 through December 2004, Nevada. |
|
Competitors
#(%) |
Injured
Competitors
#(%) |
Injury Rate
per 100
Competitors |
Rounds fought
#(%) |
Injury Rate
per 100
Fought
Rounds |
| Age Groups (years)* |
| <25 |
76 (22.3) |
13 (16.9) |
17.1 |
132 (21.2) |
9.8 |
| 25-29 |
144 (41.5) |
29 (37.7) |
20.6 |
260 (41.8) |
11.2 |
| 30+ |
124 (36.4) |
35 (45.5) |
28.2 |
230 (37.0) |
15.2 |
|
|
|
χ2=3.9, p=0.14 |
|
χ2=2.2, p=0.33 |
| Weight Class |
| Fly, bantam, feather, or light |
32 (9.4) |
5 (6.4) |
15.23 |
53 (8.5) |
9.4 |
| Welter or Middle |
150 (43.8) |
35 (44.9) |
23.33 |
300 (48.1) |
11.7 |
| Light heavy, heavy, or super heavy |
160 (46.8) |
38 (48.7) |
23.75 |
271 (43.4) |
14.0 |
|
|
|
χ2=1.04, p=0.59 |
|
χ2=0.95, p=0.62 |
| Match Outcome |
| Win |
169 (49.4) |
27 (34.6) |
16.0 |
306 (49.0) |
8.8 |
| Loss |
169 (49.4) |
51 (65.4) |
30.2 |
306 (49.0) |
16.7 |
| Draw |
4 (1.2) |
0 (0) |
0.0 |
12 (1.9) |
0.0 |
|
|
|
χ2=9.6, p<0.001 |
|
χ2=8.2, p=0.02 † |
| Type of Outcome |
| TKO or KO |
158 (46.2) |
42 (54.0) |
26.6 |
240 (38.5) |
17.5 |
| Other |
184 (53.8) |
36 (46.2) |
19.6 |
384 (61.5) |
9.4 |
|
|
|
χ2=2.38, p=0.12 |
|
χ2=6.8, p=0.009 |
| Rounds fought |
| 1 |
176 (51.5) |
32 (41.0) |
18.2 |
176 (28.2) |
18.2 |
| 2 |
76 (22.2) |
19 (24.4) |
25.0 |
152 (24.4) |
12.5 |
| 3 - 5 |
90 (26.3) |
27 (34.7) |
30.0 |
296 (47.4) |
9.12 |
|
|
|
χ2=5,
p=0.08 |
|
χ2=6.3, p=0.04 |
|
|