Table 1.

Characteristics of the cohort, by sarcopenia status

TotalSarcopenicaNot sarcopenic
N = 3,262N = 1,383N = 1,879
nRow%nRow%nRow%P
Age at diagnosis, y
 Mean (SD)62.6 (11.4)66.4 (10.4)59.8 (11.3)<0.0001
Age at diagnosis, y
 <601238100.033226.890673.2<0.0001
 60–<70941100.042044.652155.4
 ≥701083100.063158.345241.7
Sex
 Male1634100.074045.389454.70.001
 Female1628100.064339.598560.5
Race/Ethnicity
 White2118100.096045.3115854.7<0.0001
 Black234100.06628.216871.8
 Hispanic365100.011230.725369.3
 Asian/PI520100.023946.028154.0
 Other21100.0523.81676.2
AJCC Stage
 I979100.037738.560261.50.003
 II or III2283100.0100644.1127755.9
Site of cancer
 Rectal947100.035337.359462.7<0.0001
 Colon2315100.0103044.5128555.5
Weight change in 18 mo prediagnosis
 Stable1150100.048442.166657.90.22
 ≥5% loss548100.025546.529353.5
 ≥5% gain137100.06043.87756.2
Smoking status
 Never1516100.060239.791460.30.01
 Former1347100.060845.173954.9
 Current396100.017343.722356.3
Charlson comorbidity score
 01770100.074442.0102658.00.48
 1–2946100.041644.053056.0
 ≥3321100.014444.917755.1
Neutrophil/Lymphocyte ratio
 <52250100.088039.1137060.9<0.0001
 ≥5919100.046650.745349.3
  • aThe SMI cut points for sarcopenia for men and women were normal/overweight and obese. The normal and overweight points for men and women were <52.3 and <38.6, respectively, and the obese points were <54.3 and <46.6, respectively.