Table 2 Comparisons of RBANS total and index scores by smoking status and BDNF Val66Met genotype.
Cognitive Index | Smokers | Nonsmokers | Genotype, F (P value) | (P value) | ||||
|---|---|---|---|---|---|---|---|---|
Val/Val (n = 23) | Val/Met (n = 71) | Met/Met (n = 20) | Val/Val (n = 19) | Val/Met (n = 58) | Met/Met (n = 21) | |||
Immediate Memory | 72.0 ± 13.9 | 71.2 ± 16.9 | 76.8 ± 13.4 | 82.0 ± 14.4 | 79.7 ± 18.4 | 74.8 ± 16.1 | 0.14 (0.87) | 1.81 (0.17) |
Attention | 83.9 ± 15.4 | 90.0 ± 13.8 | 88.2 ± 20.2 | 95.5 ± 17.9 | 92.5 ± 23. | 90.4 ± 20.4 | 0.23 (0.8) | 1.03 (0.36) |
Language | 93.3 ± 12.1 | 96.0 ± 8.9 | 91.5 ± 9.2 | 95.7 ± 11.7 | 99.8 ± 13.9 | 93.0 ± 13.8 | 4.25 (0.016) a | 0.16 (0.85) |
Visuospatial/Constructional | 79.7 ± 18.3 | 80.2 ± 13.0 | 82.7 ± 18.3 | 84.4 ± 10.4 | 83.1 ± 17.6 | 79.5 ± 18.0 | 0.04 (0.96) | 0.77 (0.47) |
Delayed Memory | 82.3 ± 13.8 | 84.6 ± 14.5 | 86.9 ± 14.7 | 94.1 ± 7.7 | 88.7 ± 16.7 | 86.2 ± 14.4 | 0.20 (0.82) | 1.92 (0.15) |
Total | 77.0 ± 12.5 | 79.0 ± 10.6 | 80.7 ± 12.9 | 87.3 ± 11.2 | 85.5 ± 18.1 | 80.5 ± 14.6 | 0.23 (0.80) | 1.50 (0.23) |
