Healthy Aging and Compensation of Sentence Comprehension Auditory Deficits

Table 3

Performance of groups on the RTT as measured by number of correct answers (accuracy).

Subtest	Group 1; mean (SD)	Group 2; mean (SD)	Group 3; mean (SD)	value	Multiple comparisons (<0.05)
1	5.0 (0.0)	4.8 (0.6)	5.0 (0.0)	0.199	ns
2	4.9 (0.2)	4.7 (0.7)	4.8 (0.5)	0.596	ns
3	4.7 (0.6)	4.8 (0.3)	5.0 (0.0)	0.051	ns
4	4.6 (0.9)	4.7 (0.5)	4.6 (0.5)	0.778	ns
5	4.4 (0.9)	4.2 (1.1)	4.2 (1.0)	0.726	ns
6	4.0 (1.1)	3.9 (1.4)	3.8 (1.0)	0.843	ns
7	4.5 (0.7)	4.2 (1.1)	4.5 (0.6)	0.520	ns
8	4.2 (1.3)	4.1 (1.0)	4.1 (1.1)	0.972	ns
9	4.2 (0.5)	3.6 (0.7)	3.3 (0.8)	<0.001	G1 × G2; G1 × G3
10	3.8 (1.0)	3.1 (1.3)	2.8 (1.4)	0.024	G1 × G2; G1 × G3
Total	44.5 (5.0)	42.6 (5.4)	42.4 (4.8)	0.319	ns

SD = standard deviation.
Statistically significant difference.