Table 3.

Performance of different RNN models with a 48-h observation window (T${}_O$ = 48).

Variables	Dataset	AUC (Mean ± Standard Deviation)
		MLP	FRNN	LSTM	GRU
Vital signs	MIMIC-III	0.81 ± 0.02	0.68 ± 0.05	0.83 ± 0.01	0.85 ± 0.01
	MIMIC-IV	0.83 ± 0.02	0.70 ± 0.02	0.86 ± 0.01	0.87 ± 0.01
	eICU	0.86 ± 0.01	0.74 ± 0.03	0.89 ± 0.01	0.89 ± 0.01
Laboratory variables	MIMIC-III	0.67 ± 0.02	0.66 ± 0.03	0.68 ± 0.01	0.69 ± 0.01
	MIMIC-IV	0.65 ± 0.03	0.63 ± 0.03	0.66 ± 0.01	0.66 ± 0.02
	eICU	0.59 ± 0.02	0.55 ± 0.02	0.61 ± 0.02	0.61 ± 0.03
All variables	MIMIC-III	0.85 ± 0.01	0.74 ± 0.01	0.85 ± 0.01	0.87 ± 0.01
	MIMIC-IV	0.87 ± 0.01	0.75 ± 0.04	0.87 ± 0.01	0.88 ± 0.01
	eICU	0.88 ± 0.01	0.77 ± 0.03	0.89 ± 0.02	0.91 ± 0.01