Table 4.
Risk factors associated with malnutrition according to univariate and multiple Cox's regression
| Univariate analysis | ||||
|---|---|---|---|---|
| Variable | Reference | p value | Relative risk | CI (95%) |
| Gender | Male vs Female | 0.0309 | 1.755 | 1.053-2.926 |
| Age-group | 60-69 vs <60 years | 0.4376 | 1.326 | 0.650-2.705 |
| Age-group | ≥70 vs <60 years | 0.0005 | 2.658 | 1.528-4.626 |
| Age | 0.0145 | 1.019 | 1.004-1.034 | |
| Disease | DTD vs Gynaecological | 0.0075 | 4.456 | 1.490-13.328 |
| Disease | Vascular vs Gynaecological | 0.2164 | 2.292 | 0.615-8.534 |
| Disease | Neoplasms vs Gynaecological | 0.0008 | 5.916 | 2.092-16.728 |
| Disease | Trauma vs Gynaecological | 0.2889 | 2.037 | 0.547-7.586 |
| AC | ≤P5 vs >P15 | <0.0001 | 9.529 | 5.274-17.217 |
| AC | P5-P15 vs >P15 | 0.0003 | 3.852 | 1.871-7.930 |
| AMA | ≤P5 vs >P15 | <0.0001 | 5.292 | 2.950-9.492 |
| AMA | P5-P15 vs >P15 | 0.0015 | 3.375 | 1.594-7.146 |
| AFA | ≤P5 vs >P15 | 0.0866 | 1.961 | 0.908-4.236 |
| AFA | P5-P15 vs >P15 | 0.2423 | 2.022 | 0.621-6.584 |
| Haemoglobin | 0.2204 | 0.937 | 0.845-1.040 | |
| HEI/ER <75% | 0.3993 | 0.996 | 0.988-1.005 | |
| Lymphocytes | 0.0521 | 1.000 | 0.999-1.000 | |
| Multiple analysis | ||||
| n=48 vs n=252 | ||||
| Age-group | 60-69 vs <60 years | 0.5814 | 1.247 | 0.569-2.733 |
| Age-group | ≥70 vs <60 years | 0.0146 | 2.207 | 1.169-4.165 |
| Disease | DTD vs Gynaecological | 0.0094 | 14.826 | 1.939-113.362 |
| Disease | Vascular vs Gynaecological | 0.0568 | 8.103 | 0.941-69.753 |
| Disease | Neoplasms vs Gynaecological | 0.0082 | 14.950 | 2.011-111.151 |
| Disease | Trauma vs Gynaecological | 0.3228 | 3.357 | 0.304-37.051 |
AC=Arm-circumference; AFA=Arm fat-area; AMA=Arm muscle-area; CI=Confidence interval; DTD=Digestive tract diseases; HEI/ER <75%=Habitual energy intake <75% of the energy requirement; P=Percentile