Table 2.
Cognitive testing adjusted for age, IQ, education, anxiety, and depression
| Cognitive test | PHPT group
|
Control group
|
PHPT vs. controls
|
|||
|---|---|---|---|---|---|---|
| Time 1 (pre-op) | Time 2 (post-op) | Time 1 | Time 2 | Time 1 Pvalue | Time 2 Pvalue | |
| Visual memory | ||||||
| RVDLT total trials 1–3 | 16.6 ± 1.0 | 19.3 ± 0.9a | 17.3 ± 0.86 | 19.1 ± 0.8a | 0.639 | 0.886 |
| Response speed/visual concentration | ||||||
| Rosen Detection Test—symbol time | 43.0 ± 2.3 | 40.5 ± 1.9 | 40.6 ± 1.9 | 42.6 ± 1.7 | 0.440 | 0.465 |
| Rosen Detection Test—symbol error | 2.5 ± 0.5 | 3.2 ± 0.5 | 3.1 ± 0.4 | 2.9 ± 0.5 | 0.423 | 0.709 |
| WAIS-R Digit Symbol Standard Score | 13.0 ± 0.4 | 13.5 ± 0.4a | 13.3 ± 0.3 | 13.1 ± 0.3 | 0.662 | 0.406 |
| Auditory attention/mental manipulation | ||||||
| WAIS-R Digit Span Total Standard Score | 12.3 ± 0.4 | 12.0 ± 0.4 | 11.4 ± 0.3 | 11.7 ± 0.4 | 0.089 | 0.622 |
Data are expressed as mean ± sem. WAIS-R, Wechsler Adult Intelligence Scale-Revised.
a
P < 0.05 for comparison of time 1 to time 2.