Table 3.
Eye tracking metrics (median and IQR) distinguishing uninjured adolescents from those with acute or persistent concussion symptoms.
| Acute Concussion Symptoms (N = 130) | Persistent Concussion Symptoms (N = 89) | Uninjured (N = 178) | Adjusted P-values | Post-hoc Test P-Values | |
|---|---|---|---|---|---|
| left.pupilsizemean | 2,087.13 (1,830.50, 2,449.87) | 2,247.83 (1,673.73, 2,601.17) | 1,327.01 (1,057.57, 1,660.14) | < .001 | Acute v. Persistent: .46 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| left.pupilsizemedian | 2,079.00 (1,810.00, 2,447.25) | 2,243.00 (1,667.50, 2,609.50) | 1,278.00 (1,052.00, 1,640.50) | < .001 | Acute v. Persistent: > .43 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| right.pupilsizemean | 1,949.90 (1,619.07, 2,488.29) | 2,128.56 (1,681.00, 2,579.42) | 1,264.09 (1,011.58, 1,603.89) | < .001 | Acute v. Persistent: .22 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| right.pupilsizemedian | 1,930.50 (1,596.75, 2,469.00) | 2,122.00 (1,661.50, 2,608.88) | 1,248.00 (990.50, 1,587.00) | < .001 | Acute v. Persistent: .20 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| left.pupilsizeminabs | 1,048.50 (646.25, 1,394.25) | 1,200.00 (862.00, 1,611.00) | 762.00 (532.75, 1,002.00) | < .001 | Acute v. Persistent: .08 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| left.pupilsizemaxabs | 2,865.00 (2,313.25, 3,349.50) | 2,948.00 (2,401.00, 3,555.00) | 2,156.00 (1,749.50, 2,787.50) | < .001 | Acute v. Persistent: > .99 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| right.pupilsizeminabs | 1,021.00 (673.00, 1,374.00) | 1,212.00 (948.00, 1,622.00) | 715.00 (509.25, 953.75) | < .001 | Acute v. Persistent: .04 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| right.pupilsizemaxabs | 2,652.00 (2,175.75, 3,234.75) | 2,903.00 (2,308.00, 3,539.00) | 2,052.00 (1,631.50, 2,551.75) | < .001 | Acute v. Persistent: .54 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| conj.pupilsizediffmean | 184.45 (113.63, 269.44) | 191.51 (106.27, 286.01) | 117.15 (64.28, 196.57) | .02 | Acute v. Persistent: > .99 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| conj.pupilsizediffmedian | 180.50 (100.00, 260.00) | 173.00 (95.00, 270.00) | 109.50 (58.00, 189.25) | .03 | Acute v. Persistent: > .99 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| conj.pupilsizediffvar | 6,250.63 (3,841.05, 10,860.39) | 6,594.06 (3,769.28, 13,460.44) | 2,833.55 (1,410.97, 6,255.91) | < .001 | Acute v. Persistent: > .99 Acute v. Uninjured: < .001 Persistent v. Uninjured: < .001 |
| conj.varYbot | 0.002 (0.001, 0.005) | 0.003 (0.002, 0.009) | 0.001 (0.001, 0.003) | < .001 | Acute v. Persistent: .04 Acute v. Uninjured: <.001 Persistent v. Uninjured: <.001 |
| conj.varYtopbotRatio | 1.01 (0.40, 5.79) | 0.93 (0.38, 2.57) | 2.10 (0.85, 7.50) | .004 | Acute v. Persistent: >.99 Acute v. Uninjured: <.001 Persistent v. Uninjured: .001 |
Adjusted P-values are reported by multiplying the actual p-value by the number of comparisons. IQR = interquartile range