Table 1.
Means (and standard deviations) on selected neuropsychological measures for controls and combined clinical participants over 10 years.
| Measure | Sample | Time (years) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Intake | 0.5 | 1 | 2 | 4 | 6 | 8 | 10 | ||
| CVLTa | |||||||||
| List A Trial 1 | Clinical | 7.5 (1.9) | 7.9 (2.1) | 8.7 (2.3) | 8.5 (2.8) | 8.2* (2.5) | 7.8* (2.3) | 8.1 (2.3) | 6.6 (1.9) |
| Control | 7.3 (1.7) | 7.9 (2.2) | 9.4 (2.5) | 9.4 (2.2) | 9.1* (2.2) | 8.7* (2.1) | 8.9 (2.3) | 6.7 (1.8) | |
| SDFR | Clinical | 11.7 (4.4) | 12.0 (4.8) | 12.7 (4.5) | 12.7 (5.9) | 12.4* (6.4) | 12.3 (4.4) | 12.0* (4.9) | 11.1 (8.0) |
| Control | 12.1 (4.4) | 12.0 (6.5) | 12.7 (4.3) | 13.1 (4.3) | 13.5* (3.6) | 13.3 (3.8) | 13.4* (3.1) | 12.6 (6.2) | |
| LDFR | Clinical | 12.1 (2.7) | 12.4 (2.7) | 13.1 (2.5) | 12.8 (3.2) | 12.8 (3.0) | 12.5* (3.1) | 12.4* (2.9) | 11.9 (2.8) |
| Control | 12.1 (2.8) | 12.4 (3.1) | 13.3 (2.6) | 13.4 (2.5) | 13.7 (2.4) | 13.9* (2.4) | 13.4* (2.9) | 13.3 (2.2) | |
| Rec. Disc. (%) | Clinical | 95.9 (4.4) | 95.8 (4.8) | 96.4 (4.5) | 95.6 (5.9) | 95.7 (6.4) | 95.6* (4.4) | 95.6* (4.9) | 94.1 (8.0) |
| Control | 95.9 (4.4) | 95.5 (6.5) | 97.0 (4.3) | 97.2 (4.3) | 97.4 (3.6) | 97.5* (3.8) | 97.8* (3.1) | 96.2 (6.2) | |
| Arithmeticb | Clinical | 10.4 (3.2) | 10.5* (2.7) | 10.5** (2.9) | 10.0** (2.6) | 9.1** (2.4) | 9.2* (2.4) | 9.6 (2.4) | 9.8 (2.7) |
| Control | 10.7 (3.1) | 11.5* (2.5) | 12.7** (3.0) | 11.6** (2.9) | 11.1** (2.8) | 10.2* (2.7) | 10.1 (2.6) | 10.4 (3.0) | |
| ROCF 30 min.c | Clinical | 16.3 (5.4) | 15.6 (5.1) | ||||||
| Control | 18.1 (5.3) | 16.0 (5.9) | |||||||
a
California Verbal Learning Test (CVLT) raw scores (List A Trial 1; SDFR=short delay free recall; LDFR=long delay free recall) and percent correct (recognition discriminability); CVLT-II administered at years 8 and 10.
b
WISC-R (baseline, 6 month, and 1 year follow-ups) and WAIS-R (years 2–10) Arithmetic age-corrected scaled scores.
c
Rey Osterrieth Complex Figure test (ROCF) 30-minute delayed recall (administered at years 8 and 10).
*
p<.05;
**
p<.01