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