TABLE 1.
Demographics and Descriptive Detailsa
| Normal NPC Group (n = 45) | CI Group (n = 33) | |
|---|---|---|
| Sex, male/female, % | 64.4/35.6 | 51.5/48.5 |
| Age, y | 14.31 ± 3.13 | 14.30 ± 2.23 |
| NPC (of 3 trials), cm | 1.53 ± 1.53 | 12.64 ± 8.97 |
| No. of concussions | 0.61 ± 1.00 | 0.48 ± 0.81 |
| Prior concussions, n (%) | ||
| 0 | 31 (68.8) | 23 (69.7) |
| 1 | 7 (15.6) | 6 (18.2) |
| ≥2 | 7 (15.6) | 4 (12.1) |
| History of ADHDb | 1.91 ± 0.29 (10.6) | 1.88 ± 0.33 (11.8) |
| History of LDb | 1.94 ± 0.24 (6.4) | 1.9 ± 0.2 (5.9) |
| History of migraineb | 1.51 ± 0.51 (12.8) | 1.55 ± 0.51 (17.6) |
a
Values are expressed as mean ± SD unless otherwise indicated. ADHD, attention deficit hyperactivity disorder; CI, convergence insufficiency; LD, learning disability; NPC, near point of convergence.
b
Values in parentheses represent percentages.