. Author manuscript; available in PMC: 2017 Aug 1.

Published in final edited form as: Radiother Oncol. 2016 Jul 11;120(2):234–240. doi: 10.1016/j.radonc.2016.06.021

Table 2.

Summary of cognitive test score results

	COWAT	HVLT-T	HVLT-PR	TMT-B
Pre-RT

Group Mean ± 95% CI	−0.53 ± 0.47^*	−1.09 ± 0.59^*	−0.31 ± 0.64	−0.66 ± 0.93
Individual Impairment	7/27 (26%)	9/27 (33%)	3/27 (11%)	4/26 (15%)
6 months

Mean Change from Pre-RT	+0.40 ± 0.26^†	+0.29 ± 0.50	+0.14 ± 0.71	+0.00 ± 0.59
Individual Improvement	6/26 (23%)	5/26 (19%)	3/26 (12%)	6/25 (24%)
Individual Decline	0/26 (0%)	1/26 (4%)	2/26 (8%)	7/25 (28%)
18 months

Mean Change from Pre-RT	+0.24 ± 0.30	+0.36 ± 0.36	−0.32 ± 0.82	−1.59 ± 1.83
Individual Improvement	5/25 (20%)	2/25 (8%)	2/25 (8%)	7/24 (29%)
Individual Decline	1/25 (4%)	0/25 (0%)	4/25 (16%)	9/24 (38%)

Group results are mean Z-scores ± 95% confidence interval.

Significant difference from population norm (p ≤ 0.05).

^†

Significant difference from pre-RT scores (p ≤ 0.05).

COWAT: Controlled Oral Word Association Test. HVLT-T: Hopkins Verbal Learning Test, Total. HVLT-PR: Hopkins Verbal Learning Test, Percent Retained. TMT-B: Trail Making Test B.