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Table 2 Cognitive performance according to the daily dose of tramadol intake

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

Daily dose IQ MMSE MoCA score Discrimination index Response bias P300 latency
Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD
Dose < 1000 mg 86.9 ± 8.7 24.2 ± 1.4 22.7 ± 1.7 1.8 ± 1.7 0.5 ± 0.1 385.2 ± 22.1
Dose > 1000 mg 85.4 ± 7.6 25.3 ± 1.6 23.1 ± 1.5 2.3 ± 1.4 0.5 ± 0.2 366.4 ± 31.4
P value 0.635 0.097 0.445 0.365 0.402 0.117