Table 2. Relative risk ratios for various risk groups in both external validation datasets.

Risk	Model_inpatient				Model_28				Model_90
	Patients, n	Mortality, %	RR		Patients, n	Mortality, %	RR		Patients, n	Mortality, %	RR
>80%	221	81.40	2.3		17	76.50	1.5		17	82.40	1.4
60–79%	216	43.50	1.2		17	70.60	1.4		17	70.60	1.2
40–59%	216	26.40	0.7		16	62.50	1.2		17	70.60	1.2
20–39%	220	18.60	0.5		17	41.20	0.8		16	50	0.9
<19%	214	7.50	0.2		17	6.90	0.1		17	11.80	0.2
Total	1,087	35.70			84	51.20			84	57.10

RR, relative ratio.