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Extent (mean ± SD) of cognition impairment assessed in the two groups and significance of their comparison ( t test)
| test | LTOT (n = 73) | NO LTOT (n = 73) | p |
|---|---|---|---|
| Clock test < 6 | 4.2 ± 1.7 | 3.9 ± 1.9 | ns |
| MMSE < 24 | 20.1 ± 3.1 | 22.0 ± 2.3 | ns |
| TMT-A > 94 | 132.2 ± 35.8 | 155.3 ± 52.5 | 0.012 |
| TMT-B > 283 | 322.1 ± 36.2 | 344.2 ± 31.8 | 0.001 |
