Comparison of the Initiation Time of Enteral Nutrition for Critically Ill Patients: At Admission vs. 24 to 48 Hours after Admission

Table 4

GEE model parameter estimates of prealbumin.

Parameter	B	Standard error	95% CI	Wald χ^2	df
Intercept	0.187	0.012	0.164 to 0.210	254.789	1	0.000
Group	0.048	0.016	0.078 to 0.017	9.372	1	0.002
Measure time	0.002	0.001	−0.001 to 0.004	2.093	1	0.148
Group measure time	0.001	0.002	−0.002 to 0.004	0.278	1	0.598