Table 4 Spearman’s rank correlation (ρ) between intellectual functioning and ADOS-2 CSS for the PWS and AS groups

Variable

Group

ρ

p value

ρ

p value

ρ

p value

Overall CSS

PWS (n = 25)

− 0.57

. 003

− 0.28

.169

− 0.45

.023

AS (n = 18)

− 0.06

.817

− 0.21

.407

− 0.16

.539

SA CSS

PWS (n = 25)

− 0.51

.009

− 0.27

.193

− 0.45

.023

AS (n = 18)

− 0.06

.799

− 0.21

.411

− 0.16

.538

RRB CSS

PWS (n = 25)

− 0.48

.016

− 0.15

.483

− 0.26

.216

AS (n = 18)

− 0.06

.806

− 0.11

.670

− 0.07

.768