Table 2.
Comparison of mean mid-thigh MRI cross sectional area (cm2) of study population stratified by nutritional status at baseline (T0) and follow-up (T1) and the respective changes.
| MNA-SF All (n = 41) | GLIM Criteria All (n = 41) | ||||
|---|---|---|---|---|---|
| Mid-thigh MRI cross sectional area (cm2) | Malnourished (n = 5, 12%) | At risk (n = 22, 54%) | Normal (n = 14, 34%) | Malnourished (n = 7, 17%) | Non-malnourished (n = 34, 83%) |
| Muscle area T0 | 68.1 ± 15.2 | 82.6 ± 19.7 | 83.5 ± 15.9 | 78.9 ± 21.0 | 81.6 ± 17.9 |
| Muscle area T1 | 62.1 ± 11.1 † | 80.8 ± 21.2 a | 83.1 ± 16.6 bb | 71.9 ± 20.8 †† | 80.8 ± 19.2 |
| Changes in muscle area | −6.0 ± 4.3 | −1.8 ± 6.0 | −0.4 ± 5.2 b | −7.0 ± 4.7 | −0.7 ± 5.3 c |
| Subcutaneous fat area T0 | 77.1 ± 48.0 | 77.6 ± 43.0 | 112.4 ± 64.4 | 63.8 ± 28.6 | 94.7 ± 55.8 c |
| Subcutaneous fat area T1 | 70.0 ± 41.8 | 75.5 ± 40.9 | 106.6 ± 59.2 | 56.9 ± 27.4 | 91.3 ± 51.0 c |
| Changes in subcutaneous fat area | −7.1 ± 9.4 | −2.1 ± 12.0 | −5.7 ± 19.7 | −6.8 ± 7.8 | −3.4 ± 15.8 |
| Intermuscular fat area T0 | 9.4 ± 2.6 | 18.2 ± 8.8 | 21.1 ± 10.7 bb | 14.2 ± 6.5 | 18.9 ± 9.9 |
| Intermuscular fat area T1 | 9.5 ± 2.6 | 17.3 ± 8.8 | 21.0 ± 13.1 | 12.0 ± 5.1 | 18.7 ± 11.0 c |
| Changes in intermuscular fat area | 0.1 ± 0.9 | −0.9 ± 3.2 | −0.1 ± 3.8 | −2.2 ± 2.7 | −0.2 ± 3.2 |
MRI, Magnetic Resonance Imaging; MNA-SF, Mini Nutritional Assessment Short Form; GLIM, Global Leadership Initiative on Malnutrition. a p < 0.05, difference between malnourished and at risk of malnutrition based on MNA-SF; b p <0.05, bb p < 0.01 difference between malnourished and normal nutritional status based on MNA-SF; c p < 0.05, difference between malnourished and non-malnourished based on GLIM criteria; † p < 0.05, †† p < 0.01 difference within group from T0 to T1. Values are given as mean ± SD.