Table 2.

Derivative variables and their univariate and multivariate analysis with mortality during hospital stay.

			Univariate			Multivariate
Derivatives for machine learning	Variables		p-value	HR	95%CI	p-value	HR	95%CI
	Total No. Comorbidities	Range (0–6)	<0.001*	1.44	1.27–1.64	<0.001*	1.301	1.14–1.49
	More than 2 comorbidities	499	<0.001*	2.28	1.59–3.28	<0.001*	1.788	1.23–2.61
	Total No. symptoms	Range (0–6)	0.379	1.08	0.92–1.27	0.439	1.066	0.91–1.26
	Total No. Treatments received	Range (0–6)	<0.001*	1.31	1.14–1.51	<0.05*	1.268	1.11–1.46
	CR or BUN	517	<0.001*	0.31	0.21–0.46	<0.001*	0.356	0.24–0.54
	HB or HCT	883	<0.05*	0.55	0.35–0.87	<0.05*	0.562	0.36–0.89
	PLT or INR	460	<0.001*	2.21	1.55–3.16	<0.001*	2.087	1.47–2.98
	PT or INR	502	<0.001*	0.46	0.33–0.66	<0.001*	0.414	0.29–0.6
	TLC or LYMP	882	<0.001*	0.18	0.08–0.4	<0.001*	0.186	0.09–0.43
	TLC or NEU	1085	<0.05*	0.2	0.07–0.61	<0.05*	0.18	0.06–0.57
	Total No. laboratory abnormalities	Range (0–17)	<0.001*	1.22	1.16–1.3	<0.001*	1.216	1.15–1.3