Table 1. Baseline demographic and clinical characteristics of study patients (mean ± standard deviation).
| Variables | No Motor Vehicle Collisions (106 subjects) | Motor Vehicle Collisions (11 subjects) | P-value |
|---|---|---|---|
| Age (years) | 65.1 ± 12.0 | 58.5 ± 17.3 | 0.251 |
| Sex, female (%) | 42 (39.6%) | 7 (63.6%) | 0.198* |
| Ethnicity (%) | 0.556* | ||
| Caucasian | 67 (63.2%) | 8 (72.7%) | |
| African-American | 26 (24.5%) | 1 (9.1%) | |
| Other | 13 (12.3%) | 2 (18.2%) | |
| MD Worse Eye (dB) | -3.4 ± 4.9 | -3.5 ± 4.8 | 0.892 |
| MD Better Eye (dB) | -1.1 ± 2.8 | -2.0 ± 3.8 | 0.365 |
| Binocular SAP Sensitivity (dB) | 29.0 ± 2.3 | 28.7 ± 3.0 | 0.933 |
| Visual Acuity Worse Eye (LogMAR) | 0.06 ± 0.15 | 0.12 ± 0.23 | 0.850 |
| Visual Acuity Better Eye (LogMAR) | -0.03 ± 0.11 | -0.05 ± 0.11 | 0.588 |
| Contrast Sensitivity Worse Eye | 1.43 ± 0.21 | 1.40 ± 0.19 | 0.566 |
| Contrast Sensitivity Better Eye | 1.52 ± 0.15 | 1.49 ± 0.14 | 0.526 |
| Average Distance Driven per Week (miles) | 167 ± 224 | 178 ± 87 | 0.171 |
| Montreal Cognitive Assessment Score | 28 ± 3 | 28 ± 3 | 0.563 |
| UFOV Divided Attention Test (ms) | 71 ± 98 | 94 ± 149 | 0.785 |
| Low Contrast Reaction Time (s) | 0.94 ± 0.76 | 1.09 ± 1.37 | 0.929 |
| High Contrast Reaction Time (s) | 0.59 ± 0.19 | 0.58 ± 0.14 | 0.515 |
| Corrected Reaction Time (s) | 0.35 ± 0.70 | 0.51 ± 1.36 | 0.725 |
| Curve Coherence | 0.96 ± 0.01 | 0.91 ± 0.03 | 0.009 |
Abbreviations: MD = mean deviation, dB = decibels; logMAR = logarithm of the minimum angle of resolution; UFOV = Useful field of view; ms = miliseconds, s = seconds.
*Fisher’s exact test.