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Table 5 Correlation between the duration of tramadol dependence and the cognitive performance

From: The effect of duration of dependence and daily dose of tramadol in tramadol dependent patients on cognitive performance

  Duration
r P value
IQ − 0.19 0.325
MMSE score − 0.15 0.424
MoCA score − 0.30 0.108
P300 latency 0.02 0.909
Reaction time (μs) − 0.02 0.937
Deterioration index − 0.14 0.454
Discrimination index − 0.09 0.628