The role of the ICU liaison nurse services on anxiety in family caregivers of patients after ICU discharge during COVID-19 pandemic: a randomized controlled trial

Table 2 Comparison of clinical and demographic variables between the control and intervention group

Variables	Values	Group				Z/X^2b	P-value
		Control		Intervention
		Frequency/mean ^a	Percentage/SD ^a	Frequency/mean^a	Percentage/SD ^a
Age group (years)	< 25	3	10.0	7	23.3	8.75	0.035
	25–34	4	13.3	7	23.3
	35–44	1	3.3	5	16.7
	≥ 45	22	73.3	11	36.7
Gender	Female	16	53.3	14	46.7	0.267	0.797
Gender	Male	14	46.7	16	53.3	0.267	0.797
Level of education	Below diploma	10	33.3	14	46.7	1.11	0.430
Level of education	diploma and above	20	66.7	16	53.3	1.11	0.430
Employment status	Unemployed	16	53.3	15	50.0	0.067	> 0.999
Employment status	Employed	14	46.7	15	50.0	0.067	> 0.999
Satisfaction with economic status	low	9	30.0	8	26.7	2.31	0.341
	Moderate	19	63.3	16	53.3
	High	2	6.7	6	20.0
The reason for hospitalization	Poisoning	16	46.7	16	46.7	0.0	0.999
The reason for hospitalization	No poisoning	14	53.3	14	53.3	0.0	0.999
Marital status	Single	8	26.7	13	43.3	1.83	0.279
Marital status	Married	22	73.3	17	56.7	1.83	0.279
The relationship with the patient	Father	1	3.3	1	3.3	3.63	0.526
	Mother	1	3.3	1	3.3
	Siblings	5	16.7	11	36.6
	Spouse	7	23.3	7	23.3
	Child	16	53.3	10	33.3
Ward	Medical ICU	18	60.0	14	46.7	1.07	0.438
Ward	Surgical ICU	12	40.0	16	53.3	1.07	0.438
The time between ICU discharge and admission to the general ward (hours)		3.57	1.45	3.73	1.39	56.09	0.57

^a For the variable time between ICU discharge and entry into the general ward, as a quantitative variable, the combination of mean and standard deviation was used, while for other quantitative variables, frequency and the percentage were considered
^b The statistic X² was calculated for the variables ward, age group, gender, level of education, employment status, satisfaction with economic status, the reason for hospitalization, marital status, the relationship with the patient. The statistic Z was used for the variable time between ICU discharge and admission to the general ward

ISSN: 1472-6955