Table 5.

Performance of the GRU model with different observation windows (T${}_O$ = 8/16/24/48).

Variables	Dataset	AUC (Mean ± Standard Deviation)
		48 h	24 h	16 h	8 h
Vital signs	MIMIC-III	0.85 ± 0.01	0.81 ± 0.02	0.80 ± 0.02	0.80 ± 0.00
	MIMIC-IV	0.87 ± 0.01	0.85 ± 0.01	0.85 ± 0.01	0.85 ± 0.01
	eICU	0.89 ± 0.02	0.87 ± 0.01	0.86 ± 0.02	0.86 ± 0.01
Laboratory variables	MIMIC-III	0.69 ± 0.02	0.68 ± 0.01	0.66 ± 0.02	0.66 ± 0.03
	MIMIC-IV	0.66 ± 0.01	0.65 ± 0.02	0.64 ± 0.02	0.63 ± 0.02
	eICU	0.61 ± 0.03	0.56 ± 0.02	0.56 ± 0.01	0.57 ± 0.01
All variables	MIMIC-III	0.87 ± 0.01	0.85 ± 0.01	0.84 ± 0.01	0.84 ± 0.01
	MIMIC-IV	0.88 ± 0.01	0.87 ± 0.01	0.87 ± 0.01	0.87 ± 0.00
	eICU	0.91 ± 0.01	0.88 ± 0.01	0.88 ± 0.01	0.88 ± 0.01