Post-percutaneous coronary intervention psychological disorders predict poor adherence and cardiovascular events in elderly heart failure patients

Table 2 Psychological and behavioral characteristics of patients stratified by post- percutaneous coronary intervention psychological disorder status, n (%)

Variable	Psychological disorder group (n = 132)	No psychological disorder group (n = 198)	Statistical test (value)	P value
PHQ-9 score	13 (10-16)	4 (2-7)	Mann-Whitney U = 2810.5	< 0.001
GAD-7 score	12 (9-15)	3 (1-5)	Mann-Whitney U = 2952.0	< 0.001
PSQI (sleep quality index)	9 (6-13)	6 (4-9)	Mann-Whitney U = 3781.0	< 0.001
Social support score (SSRS)	18 (12-22)	16 (11-20)	Mann-Whitney U = 11224.5	0.033
Cognitive complaints	47 (35.6)	18 (9.1)	χ2 = 28.47	< 0.001
Psychiatric consultation	28 (21.2)	3 (1.5)	χ2 = 37.53	< 0.001
Antidepressant use	24 (18.2)	2 (1.0)	χ2 = 31.16	< 0.001
Anxiolytic use	31 (23.5)	7 (3.5)	χ2 = 40.04	< 0.001
Living alone	40 (30.3)	32 (16.2)	χ2 = 9.45	0.002
Recent life stress	29 (22.0)	14 (7.1)	χ2 = 15.71	< 0.001
Past depression history	8 (6.1)	1 (0.5)	χ2 = 7.04	0.008
Past anxiety history	10 (7.6)	2 (1.0)	χ2 = 5.18	0.023
Family psychiatric history	16 (12.1)	4 (2.0)	χ2 = 8.00	0.005
Current smoking	38 (28.8)	50 (25.3)	χ2 = 0.22	0.641
Alcohol use	34 (25.8)	42 (21.2)	χ2 = 0.74	0.389

PSQI: Pittsburgh Sleep Quality Index; PHQ-9: Patient Health Questionnaire-9; GAD-7: Generalized Anxiety Disorder-7; SSRS: Social Support Rating Scale.