Evaluating the effectiveness of psychological care for intensive care unit patients at nutritional risk: A comparative study

Table 1 Analysis and comparison of general data between two groups, mean ± SD

Group	Number	Age (year)	Order of severity (n)			Body mass index (kg/m2)	Gender (male/female, n)
			Mild	Moderate	Severe
Control group	50	30.1 ± 2.1	16	23	11	23.43 ± 1.98	29/21
Study group	50	29.9 ± 3.1	14	22	14	23.59 ± 1.24	30/20
t/χ2		0.171	0.190	0.040	0.234	0.281	0.041
P value		0.680	0.663	0.840	0.597	0.597	0.839

Table 2 Comparison of Self-Rating Anxiety Scale and Self-Rating Depression Scale scores between the two groups, mean ± SD

Group	Anxious SAS		Depressed SDS
	Before the intervention	After the intervention	Before the intervention	After the intervention
Study group, n = 50	53.11 ± 5.28	47.28 ± 5.04	58.28 ± 7.99	47.79 ± 73.4
Control group, n = 50	53.12 ± 5.55	49.85 ± 5.37	57.63 ± 8.03	50.55 ± 7.23
t	0.000	7.306	0.198	4.471
P value	0.992	0.007	0.658	0.037

SAS: Self-Rating Anxiety Scale; SDS: Self-Rating Depression Scale.

Table 3 Results of the Cox proportional hazards regression model analysis of mental status on all-cause mortality

Model	HR	95%CI	Concordance index	P value
Model 1			0.62
Q1	1.00
Q2	0.63	0.42-0.93		< 0.05a
Q3	0.25	0.15-0.44		< 0.01b
Model 2			0.75
Q1	1.00
Q2	1.79	1.15-2.75		< 0.01b
Q3	1.15	0.67-2.15		0.58
Model 3			0.78
Q1	1.00
Q2	1.73	1.12-2.68		< 0.05a
Q3	0.79	0.32-0.94		0.621
Model 4			0.83
Q1	1.00
Q2	1.76	1.45-2.73		< 0.05a
Q3	1.57	1.05-2.24		< 0.05a

^aP < 0.05.

^bP < 0.01.

Model 1 for uncorrected; model 2 for age, sex, body mass index, and depression status; model 3 for age, sex, body mass index, and anxiety; and model 4 for all these factors. HR: Hazard ratio; CI: Confidence interval.

Table 4 Comparison of the two groups, n (%)

Group	n	Discontent	Be basically satisfied	Satisfied	Degree of satisfaction
Study group	50	1 (2)	14 (28)	35 (70)	49 (98)
Control group	50	12 (24)	16 (32)	22 (44)	38 (76)
χ2					10.439
P value					0.001

Table 5 Comparison of complication rates between two groups of patients, n (%)

Complication type	Study group (n = 50)	Control group (n = 50)	P value
HAP	6 (12)	14 (28)	0.036
DVT	3 (6)	9 (18)	0.047

HAP: Hospital-acquired pneumonia; DVT: Deep vein thrombosis.

Table 6 Comparison of physiological stress indicators between two groups of patients, mean ± SD

Physiological parameters	Study group (n = 50)	Control group (n = 50)	P value
Average heart rate (beats/minute)	84 ± 11	96 ± 14	0.021
Systolic blood pressure (mmHg)	125 ± 15	138 ± 18	0.016