Table 2.
Batter Standard and Sabermetric Performance Metrics Comparing Either 1 Year Before and After Concussion or Career Before and After Concussiona
| 1-Year Window | Career | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | 2001-2010 | 2011-2018 | Overall | 2001-2010 | 2011-2018 | |||||||
| Statistic | Before | After | Before | After | Before | After | Before | After | Before | After | Before | After |
| BA | 0.258b
P = .001 |
0.238b
P = .001 |
0.263 | 0.243 | 0.257 | 0.236 | 0.254b
P < .001 |
0.238b
P < .001 |
0.256 | 0.236 | 0.254 | 0.240 |
| OBP | 0.328b
P = .022 |
0.315b
P = .022 |
0.333 | 0.316 | 0.327 | 0.314 | 0.325b
P = .002 |
0.310b
P = .002 |
0.327 | 0.306 | 0.325 | 0.312 |
| SLG | 0.411b
P = .004 |
0.376b
P = .004 |
0.448 | 0.374 | 0.400 | 0.377 | 0.404b
P = .015 |
0.382b
P = .015 |
0.420 | 0.369 | 0.400 | 0.389 |
| OPS | — | — | — | — | — | — | 0.729b
P = .005 |
0.693b
P = .005 |
0.747 | 0.674 | 0.725 | 0.701 |
| OPS+ | — | — | — | — | — | — | 96.4b
P = .009 |
87.8b
P = .009 |
93.7 | 82.0 | 97.5 | 90.2 |
| wOBA | 0.323b
P = .004 |
0.304b
P = .004 |
0.337 | 0.304 | 0.319 | 0.304 | 0.314b
P = .003 |
0.295b
P = .003 |
0.322 | 0.287 | 0.312 | 0.299 |
| wRC+ | 99.8b
P = .009 |
88.7b
P = .009 |
100.7 | 84.2 | 99.5 | 90.1 | 92.3b
P = .022 |
82.8b
P = .022 |
91.2 | 75.0 | 92.7 | 86.1 |
| WAR | 1.66b
P = .007 |
1.13b
P = .007 |
1.60 | 1.12 | 1.68 | 1.14 | 1.32b
P = .005 |
0.91b
P = .005 |
1.08 | 0.73 | 1.37 | 1.08 |
aAll values are reported as averages. BA, batting average; OBP, on-base percentage; OPS, on-base + slugging percentage; OPS+, on-base + slugging percentage plus; SLG, slugging percentage; WAR, wins above replacement; wOBA, weighted on-base average; wRC+, weighted runs created plus. Dashes denote those statistics that were not available for that time interval.
bDenotes a significant difference (P < .05).