Table 4.

Comparison of nutritional indicators before and after intervention between the two groups after matching ($\overline{\mathit{x}}\pm \mathit{s}$).

Indicator	Control Group (n = 65)	Observation Group (n = 65)	t-value	P-value
Albumin (g/L)
At Admission	32.8 ± 4.3	33.1 ± 4.4	0.389	.698
At Discharge	34.2 ± 4.1	38.5 ± 4.2	5.876	<.001
Prealbumin (mg/L)
At Admission	169.8 ± 44.2	172.3 ± 45.1	0.312	.756
At Discharge	190.2 ± 46.5	242.1 ± 50.3	6.123	<.001
Hemoglobin (g/L)
At Admission	110.8 ± 18.2	111.5 ± 18.6	0.212	.832
At Discharge	114.3 ± 17.5	119.2 ± 18.1	1.567	.12