Carolien Zeetsen

73 CHAPTER Prevalence of cognitive i mpairments in patients with SUD 4 Stimulants (S) Opioids (O) p –value Post–hoc ( n = 100) ( n = 26) 1.34 (0.66) 1.12 (0.77) 0.04 2.88 (0.88) 2.27 (1.00) < 0.01 C, S > O 5.40 (0.90) 5.23 (1.31) 0.74 4.51 (0.70) 4.58 (0.64) 0.68 1.51 (0.58) 1.65 (0.63) 0.55 3.33 (1.33) 2.69 (1.72) 0.01 A < C 5.79 (0.54) 5.77 (0.65) 0.94 25.86 (2.72) 24.69 (3.88) < 0.01 A < C 27 (27) 10 (38) 0.03 A > C