Table 1. Performance on ACCT subtests in ALS patients and healthy subjects. Data are expressed as Means (SD).
| ALS patients N = 21 |
Healthy controls N = 21 |
|||
|---|---|---|---|---|
| Mean (SD) | Mean (SD) | W/Z | p-value | |
| ACCT-1 mean latency | 3.804 (0.798) | 3.253 (0.452) | 317 | .015 |
| ACCT-2 mean latency | 4.288 (0.970) | 3.647 (0.657) | 312 | .021 |
| ACCT-3 mean latency | 4.356 (0.826) | 3.976 (0.770) | 287 | .1 |
| ACCT-4 mean latency | 4.282 (1.088) | 3.503 (0.650) | 318 | .014 |
| ACCT-1 sd latency | 1.215 (1.680) | 0.538 (0.403) | 311 | .023 |
| ACCT-2 sd latency | 1.204 (0.790) | 0.798 (0.568) | 292 | .07 |
| ACCT-3 sd latency | 1.167 (0.534) | 0.855 (0.366) | 293 | .07 |
| ACCT-4 sd latency | 1.617 (1.156) | 0.855 (0.523) | 313 | .020 |
| ACCT-1 n° correct | 11.81 (0.51) | 11.90 (0.30) | -0.515 | .7 |
| ACCT-2 n° correct | 10.86 (2.65) | 11.71 (0.46) | -1.417 | .2 |
| ACCT-3 n° correct | 10.62 (2.50) | 11.57 (0.81) | -1.685 | .1 |
| ACCT-4 n° correct | 10.71 (2.72) | 11.57 (1.08) | -1.838 | .07 |
Bold numbers indicate statistical significance with p < 0.05.
Abbreviations: W = Wilcoxon; Z = exact Wilcoxon Mann-Whitney test; sd latency = mean latency standard deviation; n° correct = number of correct responses.