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Table 4 Cognitive performance according to the duration of tramadol intake

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

Duration IQ MMSE MoCA score Discrimination index Response bias P300 latency
Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD
Duration < 5 years 85.8 ± 9 25.2 ± 1.8 23.3 ± 1.5 2.2 ± 1.6 0.6 ± 0.2 373.2 ± 30.7
Duration > 5 years 85.9 ± 7.1 24.8 ± 1.5 22.8 ± 1.6 2.1 ± 1.5 0.5 ± 0.1 371.2 ± 30.1
P value 0.969 0.586 0.345 0.843 0.044* 0.857
  1. *statistically significant