Table 5.

Risk factors associated with complications according to univariate and multiple Cox's regression

Univariate analysis
Variable	Reference	p value	Relative risk	CI (95%)
Gender	Male vs Female	0.8379	1.052	0.646-1.714
Age-group	60-69 vs <60 years	0.0812	1.744	0.933-3.259
Age-group	70-79 vs <60 years	0.0456	1.962	1.013-3.799
Age-group	≥80 vs <60 years	0.0302	2.617	1.097-6.245
Age		0.0006	1.026	1.011-1.041
Disease	DTD vs Gynaecological	0.3787	1.448	0.635-3.302
Disease	Vascular vs Gynaecological	0.6127	1.283	0.488-3.371
Disease	Neoplasms vs Gynaecological	0.0482	2.071	1.006-4.263
Disease	Trauma vs Gynaecological	0.7893	1.141	0.434-2.997
Malnourished	Yes vs No	0.3774	1.315	0.716-2.414
AC	≤P5 vs >P15	0.4272	1.307	0.675-2.530
AC	P5-P15 vs >P15	0.9352	1.030	0.503-2.110
TST	≤P5 vs >P15	0.9798	1.015	0.318-3.245
TST	P5-P15 vs >P15	0.7018	1.179	0.508-2.738
AMC	≤P5 vs >P15	0.2284	1.397	0.811-2.407
AMC	P5-P15 vs >P15	0.3693	0.691	0.308-1.549
AMA	≤P5 vs >P15	0.9071	1.035	0.578-1.854
AMA	P5-P15 vs >P15	0.0482	0.240	0.058-0.989
AFA	≤P5 vs >P15	0.8893	1.068	0.421-2.711
AFA	P5-P15 vs >P15	0.8237	1.175	0.284-4.867
Haemoglobin		0.0833	0.918	0.832-1.011
HEI/ER <75%		0.2758	0.995	0.987-1.004
Prescriptions		0.9472	1.003	0.927-1.084
Lymphocytes		0.8935	1.000	1.000-1.000
BMI		0.0908	1.040	0.994-1.088
Multiple analysis
n=33 vs n=215
Age		0.0114	1.032	1.007-1.058
BMI		0.0364	1.066	1.004-1.132

AC=Arm-circumference; AFA=Arm fat-area; AMA=Arm muscle-area; AMC=Arm muscle-circumference; BMI=Body mass index; CI=Confidence interval; DTD=Digestive tract diseases; HEI/ER <75%=Habitual energy intake below 75% of the energy requirement; P=Percentile; TST=Triceps skinfold thickness