Table 2. Multiple regression analysis was used to verify the model generated via lasso regression.

Variate	Univ HR (95% CI for HR)	Univ p value	Multiv HR (95% CI for HR)	Multiv p value
Age	1.0064 (0.9593-1.0559)	0.7938	0.9875 (0.9388-1.0388)	0.6265
Concentration (ng/μl)	1.0071 (1.0034-1.0107)	0.0001	0.9842 (0.9239-1.0484)	0.6207
Race (W VS B)	1.028 (0.4305-2.4546)	0.9505	1.2058 (0.4565-3.1853)	0.7057
Ratio 260/230	8.0448 (2.9966-21.5976)	<0.0001	4.9789 (0.7663-32.3485)	0.0927
Rpl13a Ct value	1.2157 (1.003-1.4734)	0.0465	1.1231 (0.8919-1.4142)	0.3234
Total yield (μg)	1.0909 (1.0402-1.1441)	0.0003	1.2078 (0.538-2.7116)	0.6472
Immune Risk score	7.2791 (2.3037-22.9999)	0.0007	3.7842 (1.0476-13.6691)	0.0423