Table 1.
Measurement | Cut-off value | Study population | Related to | AUC | |
CT-scan analysis | |||||
Shibahashi et al. [14▪▪] | L3 psoas-muscle and paraspinal muscle CSA on day of ICU admission | Women: 39.0 cm2 Men: 15.2 cm2 |
150 elderly (>60y) septic ICU patients | Hospital mortality | Women: 0.72 (0.58–0.88) Men: 0.65 (0.54–0.76) |
Weijs et al. [11] | L3 total muscle CSA 1 day before to 4 days after ICU admission | Women: 110 cm2 Men: 170 cm2 |
240 mixed ventilated ICU patients with ICU stay of >4 days | Hospital mortality | - |
Bioelectrical impedance analysis | |||||
Thibault et al. [15▪▪] | Phase angle on day 1 of ICU admission | 3.49° | 931 mixed ICU patients with expected ICU stay of >48 h | 28-day mortality | 0.63 (0.58–0.67) |
Stapel et al. [16▪] | Phase angle <24 h after ICU admission | 4.80° | 196 mixed ICU patients | 90-day mortality | 0.70 (0.59–0.80) |
Currently, no ICU-specific cut-off values for musculoskeletal ultrasound exist. AUC, area under the receiver-operating characteristic curve; CSA, cross-sectional area; L3, third lumbar vertebra.