Table 4.
Differences in rates of cognitive impairment between breast cancer survivors versus matched controls, controlling for age and overall intellectual ability
| Chemo | Controls | z | Radiation | Controls | z | |
|---|---|---|---|---|---|---|
| Episodic memory | ||||||
| CVLT immediate recall | 12 (12%) | 7 (7%) | 1.07 | 6 (7%) | 5 (6%) | .19 |
| CVLT long delay free recall | 21 (22%) | 15 (15%) | .65 | 16 (18%) | 15 (17%) | .41 |
| CVLT recognition | 16 (16%) | 5 (5%) | 1.99* | 10 (11%) | 7 (8%) | .98 |
| WMS-III Visual Reproduction immediate recall | 8 (8%) | 4 (4%) | 1.36 | 10 (11%) | 9 (10%) | .67 |
| WMS-III Visual Reproduction delayed recall | 8 (8%) | 8 (8%) | .30 | 7 (8%) | 7 (8%) | −.10 |
| WMS-III Visual Reproduction recognition | 10 (10%) | 7 (7%) | .74 | 6 (7%) | 6 (7%) | .44 |
| Attention | ||||||
| WAIS-III Digit Span | 5 (5%) | 3 (3%) | .47 | 4 (4%) | 4 (4%) | .65 |
| WAIS-III Spatial Span | 5 (5%) | 7 (7%) | −.41 | 8 (9%) | 9 (10%) | −.03 |
| Trails A | 8 (8%) | 7 (7%) | .53 | 13 (14%) | 4 (4%) | 2.16* |
| 2 & 7 Test speed | 7 (7%) | 6 (6%) | .13 | 5 (6%) | 6 (7%) | −.32 |
| 2 & 7 Test accuracy | 11 (11%) | 8 (8%) | .79 | 10 (11%) | 8 (9%) | .76 |
| Complex cognition | ||||||
| WAIS-III Digit Symbol | 9 (9%) | 4 (4%) | 1.49 | 8 (9%) | 5 (6%) | .81 |
| Trails B | 8 (8%) | 7 (7%) | .38 | 11 (12%) | 5 (6%) | 1.95 |
| COWA total | 8 (8%) | 3 (3%) | 1.76 | 4 (4%) | 1 (1%) | 1.14 |
| Overall Impairment | 33 (34%) | 22 (23%) | 1.71 | 27 (30%) | 21 (23%) | 1.67 |
*
p < .05,
**
p < .01