Table 5.
Player Efficiency Rating (PER) by Player Position∗
| Pre-Injury Season | Post-Injury Season 1 | P Value† | Post-Injury Season 2 | P Value† | |
|---|---|---|---|---|---|
| Overall defense | .32 (.26-.37) | .28 (.23-.34) | .046 | .29 (.21-.37) | .068 |
| Defensive line | .38 (.29-.47) | .335 (.22-.45) | .451 | .27 (.18-.37) | .019 |
| Defensive back | .35 (.22-.49) | .25 (.13-.38) | .049 | .34 (.09-.58) | .245 |
| Linebacker | .250 (.18-.32) | .263 (.19-.33) | .535 | .284 (.17-.40) | .916 |
| Overall offense | 4.74 (2.81-6.67) | 2.61 (.41-4.80) | .653 | 2.79 (1.37-4.21) | .401 |
| Offensive line‡ | -- | -- | -- | ||
| Quarterback | 10.36 (2.92-17.80) | 11.05 (-1.19-23.30) | .825 | 7.53 (-.14-15.20) | .081 |
| Running back | 4.45 (.41-8.48) | 6.58 (1.46-11.69) | .467 | 7.56 (1.80-13.30) | .562 |
| Tight end | 1.99 (-1.01-5.00) | 2.72 (-.32-5.76) | .770 | 2.99 (-1.41-7.40) | .778 |
| Wide receiver | 6.68 (3.20-10.20) | 5.24 (.63-9.84) | .291 | 3.58 (-.63-7.79) | .030 |
The Player Efficiency Rating of players before injury, 1 season after injury, and 2 seasons after injury stratified by player position.
Bold indicates P < .05.
∗
95% confidence intervals are expressed parenthetically following means. There were too few players for special teams analysis.
†
P-values are from 2-sample paired t-test to the pre-injury season.
‡
PER Score not applicable.