Table 2.
Anthropometric and nutritional status characteristics of patients according to gender, values expressed as mean (standard deviation), unless stated otherwise
| Characteristic | Men, n = 150 | Women, n = 75 | Total, n = 225 | P value |
|---|---|---|---|---|
| Weight (kg) | 77.9 (12.9) | 62.7 (13.6) | 72.8 (14.9) | <0.001 |
| Height (m) | 1.75 (0.07) | 1.61 (0.08) | 1.7 (0.09) | <0.001 |
| BMI (kg/m2), n (%) | 25.5 (3.9) | 24.1 (4.9) | 25.1 (4.3) | 0.024 |
| Underweight (≤18.5) | 8 (5.3) | 9 (12.0) | 17 (7.6) | 0.129 |
| Normal (18.5–24.9) | 56 (37.3) | 34 (37.3) | 90 (40.0) | 0.312 |
| Overweight (25–29.9) | 66 (44.0) | 22 (29.3) | 88 (39.1) | 0.048 |
| Obese (≥30.0) | 20 (13.3) | 10 (13.3) | 30 (13.3) | 1.00 |
| Cachexia, n (%) | 91 (60.7) | 48 (64.0) | 139 (61.8) | 0.734 |
| Muscle parameters | ||||
| Skeletal muscle area (cm2) | 162.5 (25.2) | 105.3 (15.2) | 143.5 (35.0) | <0.001 |
| Skeletal muscle index (cm2/m2) | 53.5 (8.3) | 40.6 (5.9) | 49.2 (9.7) | <0.001 |
| Sarcopenia, n (%) | 42 (28.0) | 48 (64.0) | 90 (40.0) | <0.001 |
| Estimated FFM (kg)a | 54.8 (7.6) | 37.6 (4.5) | 49.1 (10.5) | <0.001 |
| Estimated SMM (kg)a | 30.3 (4.34) | 20.41 (2.61) | 26.99 (6.05) | <0.001 |
| Muscle attenuation (HU)b | 37.5 (7.3) | 35.6 (7.6) | 36.8 (7.5) | 0.080 |
| Low muscle attenuation, n (%)b | 55 (42.0) | 45 (63.4) | 100 (49.5) | 0.006 |
| Fat parameters | ||||
| Adipose tissue area (cm2) | 346.1 (165.5) | 293.6 (160.0) | 328.7 (165.2) | 0.028 |
| Adipose tissue index (cm2/m2) | 114.2 (54.6) | 113.6 (63.0) | 113.9 (57.4) | 0.942 |
| Estimated FM (kg)a | 25.7 (6.9) | 23.5 (6.7) | 25.0 (6.9) | 0.027 |
BMI, body mass index; FM, fat mass; FFM, fat free mass; HU, Hounsfield units; kg, kilogram; SD, standard deviation; SMM, skeletal muscle mass.
a
Estimated kilograms of FFM and FM are calculated from regression equations reported by Mourtzakis et al.31 and estimated kilograms of SMM are calculated from regression equations reported by Shen et al.32
b
Muscle attenuation analysis based on 202 patients (131 men and 71 women).