Table 2. Neuropsychological test performance by group.
| Tetraplegia | Paraplegia | HC | F Value | |
|---|---|---|---|---|
| Performance Validity | ||||
| WAIS-III Reliable Digit Span Score | 9.77 (2.01) | 9.36 (2.02) | 9.67 (1.86) | 0.34, ns |
| Learning & Memory | ||||
| CVLT Total Recall across 5 trials (T) | 46.65 (14.10) | 45.24 (8.90) | 53.93 (11.98) | 2.90, P = 0.06 |
| CVLT SDFR (z) | –0.18 (1.02) | –0.76 (1.15) | 0.3 (1.01) | 5.76, P = 0.004 |
| CVLT LDFR (z) | –0.48 (1.3) | –0.62 (1.09) | 0.1 (1.11) | 2.06, ns |
| Working Memory / Processing Speed | ||||
| Digit Span ss | 9.30 (2.83) | 9.14 (2.72) | 9.9 (2.35) | 0.30, ns |
| Letter Number Sequencing ss | 9.68 (2.57) | 9.52 (3.20) | 9.67 (1.58) | 0.01, ns |
| SDMT z score | –1.52 (0.77) | –1.04 (1.19) | –0.59 (1.11) | 5.18, P = 0.008 |
| PASAT Total | –0.87 (1.02) | –1.14 (1.09) | –0.36 (0.85) | 1.99, ns |
| Executive Control | ||||
| Letter Fluency | 9.63 (2.61) | 8.83 (3.23) | 11.87 (3.12) | 3.85, P = 0.03 |
| Category Fluency | 9.17 (3.62) | 9.45 (3.43) | 11.67 (3.26) | 1.53, ns |
| Stroop–Color Naming | 8.60 (3.04) | 9.07 (2.32) | 9.17 (2.31) | 0.94, ns |
| Stroop-Word Reading | 9.13 (2.47) | 9.21 (3.11) | 10.43 (2.0) | 1.78, ns |
| Stroop Inhibition | 9.80 (3.21) | 9.43 (4.07) | 10.93 (1.86) | 0.96, ns |
*Peach shading denotes pairwise significant difference between shaded groups; significant differences are noted in SCI group (paraplegia, tetraplegia) vs HC; no significant differences were noted between the 2 SCI groups directly. F value is reported for omnibus statistical test.