Application of Seemingly Unrelated Regression in Medical Data with Intermittently Observed Time-Dependent Covariates

Table 6

Summary of the estimated parameters and standard errors of different models for risk factors of intradialytic hypotension among hemodialysis patients during a dialysis session.

Covariate	MRMCC	SURCC	MRMBOCF	SURBOCF
	coefficient (SE)	coefficient (SE)	coefficient (SE)	coefficient (SE)
Cr (mg/dL)	0.20 (0.18)	0.18 (0.18)	0.19 (0.18)	0.17 (0.17)
Weight (kg)	0.39 (0.26)	0.12 (0.16)	0.49 (0.25)	0.44 (0.24)
BUN (mg/dL)	−0.42 (0.15)	−0.31 (0.15)	−0.33 (0.10)	−0.29 (0.16)
K (mg/dL)	7.19 (6.66)	8.13 (6.19)	6.87 (5.33)	6.01 (6.05)
P (mg/dL)	1.23 (2.58)	−1.72 (1.70)	−0.66 (1.52)	−1.39 (1.72)

*Note: Cr: creatinine; BUN: blood urea nitrogen; K: potassium; P: phosphorus.