Table 2.
Mean values and results of repeated measures analyses of variance: neurocognitive measures
| |
EG (n = 30) |
CG (n = 30) |
Main effect |
Main effect |
Interaction |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| |
Pretest |
Posttest |
Pretest |
Posttest |
“group” |
“time” |
“time x group” |
|||
| Measure | mean (SD) | mean (SD) | mean (SD) | mean (SD) |
F(4/55) mv. |
p |
F(2/57) mv. |
p |
F(2/57) mv. |
p |
| F(1/58) uv. | F(1/58) uv. | F(1/58) uv. | ||||||||
|
Attention (multivariate) |
|
|
|
|
.578 |
.680 |
5.266 |
.001 |
4.606 |
.003 |
| Degraded CPT omissions |
15.48 (14.45) |
10.54 (10.99) |
15.44 (14.60) |
13.92 (12.77) |
.029 |
.866 |
5.830 |
.019 |
1.639 |
.206 |
| Degraded CPT comissions |
2.59 (2.28) |
1.03 (1.49) |
1.85 (1.95) |
1.98 (3.45) |
.038 |
.847 |
6.086 |
.017 |
8.561 |
.005 |
| 3-7 CPT omissions |
26.05 (16.24) |
18.70 (13.34) |
23.80 (14.23) |
24.07 (16.85) |
.205 |
.652 |
3.537 |
.065 |
4.104 |
.047 |
| 3-7CPT comissions |
1.68 (1.71) |
0.89 (0.92) |
1.87 (2.14) |
1.81 (2.35) |
1.562 |
.216 |
4.971 |
.030 |
3.725 |
.059 |
|
Memory (multivariate) |
|
|
|
|
1.557 |
.220 |
63.811 |
<.0005 |
51.214 |
<.0005 |
| WMS composite score “verbal memory” |
83.03 (18.16) |
103.27 (15.74) |
84.23 (24.58) |
87.10 (21.63) |
2.267 |
.138 |
47.757 |
<.0005 |
26.993 |
<.0005 |
| WMS composite score “visual memory” |
77.23 (12.62) |
101.03 (12.03) |
83.57 (16.44) |
83.27 (18.73) |
2.597 |
.112 |
48.653 |
<.0005 |
51.170 |
<.0005 |
|
Problem solving (multivariate) |
|
|
|
|
1.694 |
.179 |
7.895 |
<.0005 |
20.416 |
<.0005 |
| WCST % total errors |
28.69 (3.84) |
19.94 (3.45) |
25.23 (8.71) |
27.78 (7.90) |
2.188 |
.145 |
17.427 |
<.0005 |
57.793 |
<.0005 |
| WCST % failure to maintain set |
6.79 (3.80) |
3.28 (2.12) |
5.66 (4.29) |
6.47 (4.82) |
1.263 |
.266 |
10.590 |
.002 |
26.918 |
<.0005 |
| WCST % perseveration errors |
9.11 (4.45) |
2.87 (2.22) |
7.53 (5.42) |
8.74 (6.45) |
3.920 |
.052 |
15.192 |
<.0005 |
33.180 |
<.0005 |
| TMT B-A |
80,53 (48,93) |
53.13 (23.65) |
88.13 (56.80) |
77.47 (49.42) |
2.147 |
.148 |
14.513 |
<.0005 |
2.804 |
.046 |
|
Speed of processing |
|
|
|
|
1.120 |
.333 |
11.489 |
<.0005 |
2.026 |
.141 |
| TMT A performance time |
49.43 (20.21) |
40.77 (16.49) |
49.90 (20.27) |
46.20 (15.19) |
|
|
|
|
|
|
| TMT B performance time | 129.97 (63.70) | 93.90 (37.04 | 138.03 (72.96) | 123.67 (56.66) | ||||||