Application of Prognostic Models Based on Psoas Muscle Index, Stage, Pathological Grade, and Preoperative Carcinoembryonic Antigen Level in Stage II-III Colorectal Cancer Patients Undergoing Adjuvant Chemotherapy

Table 3

COX regression analysis results on correlations between patients’ PMI, clinicopathological characteristics, and OS.

Parameter	Univariate COX analysis			Multivariate COX analysis
	HR	95% CI		Coef	HR	95% CI
Age	1.041	1.005–1.078	0.026	—	1.023	0.984–1.063	0.253
Gender	1.003	0.529–1.902	0.993	—	1.289	0.641–2.590	0.476
Stage	3.279	1.442–7.455	0.005	—	1.163	0.257–5.262	0.845
T	1.221	0.669–2.230	0.516	—	1.001	0.559–1.795	0.996
N	2.043	1.374–3.036	4.14E − 04	—	1.297	0.591–2.846	0.516
Pathological grade	4.607	2.461–8.623	1.79E − 06	1.747	5.737	2.956–11.135	2.42E − 07
Grade III-IV myelosuppression	3.229	1.703–6.123	3.29E − 04	—	1.885	0.921–3.859	0.083
CEA	1.011	1.003–1.020	0.010	0.013	1.013	1.005–1.022	0.002
PMI	2.110	1.113–4.000	0.022	0.812	2.252	1.179–4.302	0.014