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Table 3 Results of the executive function tests—WCST, TBTP and TMT—for the control, good-insight and poor-insight groups controlling for education (ANCOVA)

From: Executive functions and insight in OCD: a comparative study

Executive/Attention
ANCOVA
Test Control
Mean ± St. Error
OCD good insight
Mean ± St. Error
OCD poor insight
Mean ± St. Error
F-test p Cohen’s F
TBTP-ID (dispersion index) 12.6 ± 1.9 19.0 ± 2.3 10.3 ± 3.1 3.243 0.043 0.25
TBTP-RT (work-efficiency) 199.3 ± 8.5 146.0 ± 10.3 171.2 ± 13.9 7.749 0.001 0.38
TMT A (time) 39.6 ± 3.3 50.6 ± 4.0 61.1 ± 5.5 6.101 0.003 0.34
TMT A (errors) 0.5 ± 0.1 0.1 ± 0.2 0.2 ± 0.2 2.203 0.116 0.20
TMT B (time) 87.7 ± 9.7 128.0 ± 11.6 148.5 ± 15.8 6.614 0.002 0.36
TMT B (errors) 1.7 ± 0.5 3.2 ± 0.6 2.5 ± 0.8 1.784 0.173 0.18
WCST errors 15.7 ± 1.4 17.6 ± 1.7 41.9 ± 2.3 52.502 ≤0.001 1.00
WCST perseverance 9.2 ± 0.8 9.1 ± 1.0 31.8 ± 1.4 115.930 ≤0.001 1.51
WCST no perseverance 8.1 ± 0.9 9.9 ± 1.1 10.3 ± 1.5 1.135 0.325 0.15
WCST perseverance errors 8.5 ± 0.7 7.7 ± 0.8 31.6 ± 1.1 178.916 ≤0.001 1.87