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Table 1 Descriptive characteristics for the two PWS genetic subtype groups

From: Equivocal expression of emotions in children with Prader-Willi syndrome: what are the consequences for emotional abilities and social adjustment?

 All PWS (N = 25)PWS-DEL (N = 11)PWS-UPD (N = 12)Group equivalence test * Student t-test
CA
 Mean (SD)7;6 (1;6)7;4 (1;5)7;9 (1;9)t(21) = 0.529; ns
 Range5;5–10;55;5–9;75;9–10;4
DA
 Mean (SD)5;7 (1;5)5;9 (1;7)5;5 (1;4)t(21) = 0.517; ns
 Range3;2–9;23;2–9;14;3–9;1
IQ
 Mean (SD)75.7 (17.1)78.4 (14.7)72.9 (19.5)t(21) = 0.751; ns
 Range44–10352–9444–103
  1. Legend. Means, ranges and SDs of chronological age (CA), intellectual developmental age (DA) and full-scale IQ (IQ) for the two PWS genetic subtype groups and results of group equivalence tests. ns: not significant, age: [years; months], PWS-DEL: PWS with deletion, PWS-UPD: PWS with mUPD