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 2

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

Parameter	Univariate COX analysis			Multivariate COX analysis
	HR	95% CI		Coef	HR	95% CI
Age	1.020	0.992–1.048	0.162	—	0.997	0.969–1.025	0.828
Gender	0.794	0.470–1.342	0.389	—	0.969	0.543–1.726	0.914
Stage	3.395	1.712–6.734	0.001	0.843	2.324	1.143–4.727	0.020
T	1.071	0.676–1.697	0.769		0.994	0.636–1.554	0.981
N	2.046	1.478–2.832	1.60E − 05	—	1.054	0.571–1.947	0.866
Pathological grade	5.082	3.012–8.575	1.11E − 09	1.623	5.066	2.909–8.821	9.81E − 09
Grade III-IV myelosuppression	2.859	1.675–4.880	1.17E − 04	—	1.403	0.772–2.548	0.267
CEA	1.009	1.000–1.016	0.041	0.009	1.009	1.000–1.017	0.038
PMI	2.315	1.366–3.923	0.002	0.868	2.382	1.398–4.058	0.001