Table 3.

Clinical associations of encephalopathy, length of stay and outcome.

Variable	T	95% CI		P	Variable	T	95% CI		P
Clinical associations of background frequency (N = 50)
Univariate analysis					Multivariate analysis
Delirium	−3.07	−3.238	−0.674	0.004	Delirium	−2.96	−2.842	−0.436	0.009
Cefepime use	−2.84	−2.824	−0.485	0.007	Cefepime use	−2.73	−2.422	−0.139	0.029
WHO severity	−2.7	−2.429	−0.357	0.009
Age	−2.48	−0.081	−0.009	0.017
Pneumonia	−2.26	−2.419	−0.141	0.028
COVID treatment	−2.23	−2.738	−0.139	0.031
Structural injury on imaging	−2.18	−2.412	−0.097	0.034
BUN on the day of admission	−2.1	−0.057	−0.001	0.041
Clinical associations of length of stay (N = 50)
Univariate analysis					Multivariate analysis
Cefepime use	3.61	3.969	13.945	0.001	Cefepime use	3.14	2.804	12.845	0.003
Background frequency on EEG	−2.84	−2.881	−0.491	0.007
Structural injury on imaging	2.49	1.199	11.362	0.016
WHO severity	2.42	0.950	10.292	0.019
Acute respiratory distress syndrome	2.16	0.816	22.234	0.035
BUN on the day of admission	2.1	0.006	0.254	0.041
Dialysis during admission	2.09	0.293	15.995	0.042
Renal failure on admission	2.06	0.129	10.652	0.045
Clinical associations of outcome (N = 50)
Univariate analysis	Z				Multivariate analysis	Z
Acute respiratory distress syndrome	−2.67	−5.390	−0.823	0.008	Background frequency on EEG	3.49	0.272	0.968	0.000
Dialysis	−2.01	−3.482	−0.044	0.044
Background frequency on EEG	3.67	0.284	0.937	0

CI, confidence interval; Linear regression (T) for background frequency and length of stay; ordinal regression (Z) for outcome.