Table 5 Correlation between drug abuse screening test and cognitive scoring on the one hand and age in years, duration, and amount of abuse on the other hand in patients group
From: Impact of tramadol and heroin abuse on electroencephalography structure and cognitive functions
Variables | Drug abuse screening test | |||
R | P | |||
Age in years | − 0.047 | 0.723 | ||
Duration of abuse by years | 0.119 | 0.463 | ||
Amount of drug abuse by gm per day | 0.094 | 0.562 | ||
Variables | Cognitive score | |||
Tramadol group (n = 40) | Heroin group (n = 40) | |||
r | P | R | P | |
Age in years | 0.184 | 0.437 | 0.380 | 0.098 |
Duration of abuse by years | 0.006 | 0.981 | 0.185 | 0.435 |
Amount of drug abuse by mg per day | 0.193 | 0.416 | − 0.193 | 0.416 |