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Table 1 Basic clinical information of patients

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

Characteristics Patients x2/t P
Inclusion (n = 110) Exclusion (n = 162)
Sex    0.231 0.630
Male 73 (66.4%) 112 (69.14%)   
Female 37 (33.6%) 50 (30.86%)   
Age (y) 59.98 ± 9.91 58.75 ± 10.42 1.231 0.677
PA 182.64 ± 82.77 184.77 ± 84.40 −1.721 0.354
ALB 38.65 ± 4.63 38.81 ± 4.45 −0.110 0.879
BMI 23.50 ± 3.01 23.19 ± 3.40 0.231 0.788
PhA 5.36 ± 0.93 5.17 ± 0.84 0.101 0.899
NLR 3.22 ± 2.11 2.92 ± 2.50 0.541 0.768
PLR 175.85 ± 104.64 169.56 ± 97.51 4.442 0.670
L3 SMIa 37.56 ± 9.14 36.89 ± 9.25 1.222 0.513
Nutritional status    2.290 0.318
PG-SGA A 30 (27.3%) 46 (28.40%)   
PG-SGA B 54 (49.1%) 66 (40.74%)   
PG-SGA C 26 (23.6%) 50 (30.86%)   
  1. Nutritional status was classified according to the PG-SGA scores: PG-SGA ≥ 9 points (PG-SGA A group); 3 ≤ PG-SGA ≤ 8 points (PG-SGA B group); PG-SGA ≤ 2 points (PG-SGA C group). Continuous variables presented as mean ± s.d. and categorical variables are presented as counts (%). T test/Chi-square test was used between inclusion and exclusion patients
  2. aIn exclusion group, only 130 patients recorded L3 SMI
  3. PA prealbumin, ALB albumin, BMI Body mass index, PhA phase angle, NLR neutrophil-to-lymphocyte ratio, PLR platelet-to-lymphocyte ratio, L3 SMI L3 skeletal muscle index