Table 4.

Cox regression analysis of multivariate in survival period of MM patients in Cohort 2.

Variates	Wald	P-value	OR	95% CI
Age	5.472	0.019	0.869	0.772–0.977
Gender	0.516	0.473	2.170	0.262–17.975
Hemoglobin	2.131	0.144	0.119	0.007–2.074
Creatinine	1.524	0.217	5.374	0.372–77.628
β2-MG	0.688	0.407	2.139	0.355–12.903
Globulin	3.067	0.080	0.132	0.014–1.272
LDH	1.378	0.240	0.213	0.016–2.816
PC(18:3(6Z,9Z,12Z)/16:0)	0.620	0.431	3.571	0.150–84.843
PC(16:0/16:0)	0.303	0.582	1.713	0.252-11.622
3-Dehydroxycarnitine	1.170	0.279	0.080	0.001–7.746
DL-Glutamate	0.030	0.862	1.283	0.077–21.294
Valerylcarnitine	0.152	0.697	0.593	0.043–8.227
Creatinine	2.311	0.128	38.664	0.348–4,301.003
N-Acetylputrescine	3.695	0.055	36.652	0.932–1,441.811
Butyrylcarnitine	3.482	0.062	39.725	0.831–1,899.498
5′-Methylthioadenosine	4.408	0.036	0.000	0.000–0.595
Asymmetric dimethylarginine	1.579	0.209	0.015	0.000–10.571
1-Methylhistidine	1.333	0.248	23.191	0.112–4,822.052
2-Hexenoylcarnitine	0.457	0.499	0.332	0.014–8.126

OR, odds ration; P < 0.05 is statistical significance; β₂-MG, β₂-microglobulin; LDH, lactate dehydrogenase.