Skip to main content

Table 4 The AUC area of ROC curve

From: The correlation between skeletal muscle index of the L3 vertebral body and malnutrition in patients with advanced lung cancer

Factors AUC Area 95% CI of AUC Area
L3 SMI 0.958 0.915 ~ 1.000
PA 0.697 0.569 ~ 0.826
BMI 0.500 0.340 ~ 0.659
NLR 0.384 0.242 ~ 0.525
PLR 0.357 0.217 ~ 0.497
PhA 0.821 0.706 ~ 0.935
Age 0.361 0.211 ~ 0.511
  1. Taking PG-SGA ≥ 3 points as the cut-off point for diagnosing malnutrition
  2. PLR platelet-to-lymphocyte ratio, NLR neutrophil to lymphocyte ratio, L3 SMI the third lumbar vertebra skeletal muscle index, BMI body mass index, PhA phase angle, PA prealbumin