Table 4.

Correlation Matrix Table of Parameters

Parameters	Correlation Coefficient/P-values	Age	Sex	Preoperative BMI	Postoperative Chemoradiotherapy	Weight Loss	SMI Loss	FOIS at Discharge
Age	r	1.000	−0.005	0.239	0.163	−0.110	0.059	0.004
P		0.980	0.240	0.427	0.593	0.776	0.984
Sex	r		1.000	0.358	−0.023	−0.301	0.555**	−0.178
P			0.072	0.912	0.135	0.003	0.384
Preoperative BMI	r			1.000	0.124	−0.492*	0.589**	0.216
P				0.547	0.011	0.002	0.289
Postoperative chemoradiotherapy	r				1.000	0.345	−0.228	0.608**
P					0.084	0.263	0.001
Weight loss	r					1.000	−0.898**	0.375
P						0.000	0.059
SMI loss	r						1.000	−0.229
P							0.260
FOIS at discharge	r							1.000
P

Note: *P<0.05; **P<0.01.

Abbreviations: BMI, body mass index; SMI, skeletal muscle mass index; FOIS, functional oral intake scale.