Theory of mind deficits in patients with esophageal cancer combined with depression

Table 1 General data of patients with esophageal cancer combined with depression

Groups	n	BDI-II score	BPRS total score	Anxiety depression factor score	Anergia factor score	Thought disturbance factor score	Activation factor score	Hostile supiciousness factor score
PD group	23	33.00 ± 4.621	43.72 ± 7.111	14.28 ± 2.211	6.13 ± 3.14	6.34 ± 3.35	4.99 ± 2.36	10.31 ± 2.951
NPD group	33	20.22 ± 3.28	27.13 ± 6.12	10.75 ± 2.69	5.12 ± 3.46	5.91 ± 3.29	4.97 ± 3.01	2.21 ± 1.95

PD: Psychotic depressed; NPD: Nonpsychotic depressed.

¹t test, P < 0.01 vs NPD group.

Table 2 Comparisons of neuropsychological test and theory of mind test performance

Groups	n	IQ score	VFT score	DST score	Mind reading score	Gender recognition score	Faux pas questions score	Control questions score
Depressed group	65	103.12 ± 5.18	32.11 ± 2.381	13.02 ± 1.08	24.12 ± 2.191	30.11 ± 1.02	15.02 ± 1.631	37.25 ± 0.68
PD group	32	103.42 ± 3.58	30.02 ± 2.162	12.68 ± 1.02	22.89 ± 2.0723	30.12 ± 0.99	13.16 ± 1.7123	37.31 ± 0.71
NPD group	33	103.77 ± 4.30	34.21 ± 2.08	13.79 ± 1.01	25.38 ± 2.322	30.22 ± 0.95	15.82 ± 1.132	37.52 ± 0.62
Control group	62	104.11 ± 3.22	35.05 ± 2.01	13.88 ± 0.98	27.89 ± 2.05	30.57 ± 1.01	19.92 ± 1.01	37.51 ± 0.65

¹t test, P < 0.01 vs NPD group;

²Bonferroni test or Mann-Whitney U test, P < 0.05 vs control group;

³t test, P < 0.01 or 0.05 vs NPD group. VFT: Verbal fluency test; DST: Digit span test; PD: Psychotic depressed; NPD: Nonpsychotic depressed.