Effect of an ICU diary on psychiatric disorders, quality of life, and sleep quality among adult cardiac surgical ICU survivors: a randomized controlled trial

Table 1 Patient demographic characteristics at baseline

Variables	Intervention (n = 46)	Control (n = 49)	T/휒²/Z	P
Gender
Male	29 (63%)	30 (61.2%)	0.03	0.86
Female	17 (37%)	19 (38.8%)
Age (years), mean ± SD	53.04 ± 9.53	55.61 ± 10.61	− 1.24	0.22^a
Height (cm), mean ± SD	163.91 ± 8.29	162 ± 8.12	1.14	0.26^a
Weight (kg), mean ± SD	63.57 ± 11.68	60.47 ± 11.13	1.32	0.19^a
Diagnose
VHD	36 (78.3%)	34 (69.4%)	0.96	0.33
CAD	10 (21.7%)	15 (30.6%)
NYHA
I	2 (4.3%)	0 (0%)	− 1.1	0.27^b
II	16 (34.8%)	14 (28.6%)
III	26 (56.5%)	33 (67.3%)
IV	2 (4.3%)	2 (4.1%)
Educational level
None	2 (4.3%)	4 (8.2%)	− 0.5	0.62^b
Primary	19 (41.3%)	18 (36.7%)
Junior	14 (30.4%)	19 (38.8%)
Senior/secondary school	6 (13%)	5 (10.2%)
College/university	5 (10.9%)	3 (6.1%)
Marital status
Married	45 (97.8%)	46 (93.9%)		0.62^c
Unmarried	1 (2.2%)	3 (6.1%)
Occupation
Worker/enterprise/institutional workers	16 (34.8%)	9 (18.4%)	3.35	0.34
Farmer	9 (19.6%)	13 (26.5%)
Retiree	7 (15.2%)	9 (18.4%)
Others	14 (30.4%)	18 (36.7%)
Payment
Without insurance	5 (10.9%)	4 (8.2%)		0.74^c
Insurance	41 (89.1%)	45 (91.8%)
Length of ICU stay (h), mean ± SD	63.72 ± 33.08	66.33 ± 33.70	− 0.38	0.71^a
Duration of use of corticosteroid (days), median	2 (0.3)	2 (0.2)	− 0.97	0.32^b
Duration of use of sedatives (days), median	1 (0.2)	0 (0.1)	− 1.1	0.27^b
Duration of use of analgesics (days), median	0 (0.2)	0 (0.1)	− 1.65	0.1^b
Duration of MV (h), median	20.42 (16.63, 43.63)	20 (14.63, 42.33)	− 0.71	0.48^b

Statistical analysis was performed using the chi-square test. NYHA Classification of New York Heart Association Heart Function, VHD valvular heart disease, CAD coronary atherosclerotic heart disease, MV mechanical ventilation
^aIndependent t test
^bMann-Whitney U test
^cFisher’s exact test

ISSN: 1364-8535