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Table 3 Relationship between the LSR levels and clinical characteristics of patients with ESCC

From: Prognostic value of pretreatment serum alanine aminotransferase/aspartate aminotransferase (ALT/AST) ratio and gamma glutamyltransferase (GGT) in patients with esophageal squamous cell carcinoma

Variables LSR
  Cases (n) ≥0.82 <0.82 p value* Mean ± SD p value**
Gender (n)
 Male 342 179 163 0.305 0.89 ± 0.34 0.165
 Female 101 47 54   0.84 ± 0.27  
Age
  < 59 years 232 122 110 0.448 0.91 ± 0.35 0.092
  ≥ 59 years 211 104 107   0.85 ± 0.27  
Alcohol
 No 259 122 137 0.051 0.85 ± 0.31 0.024
 Yes 184 104 80   0.92 ± 0.34  
Tumor location
 Upper 40 25 15 0.011 0.99 ± 0.39 0.038
 Middle 275 131 175   0.86 ± 0.33  
 Lower 128 70 58   0.88 ± 0.28  
Stage
 I and II 234 125 109 0.284 0.89 ± 0.32 0.282
 III and IV 209 101 108   0.87 ± 0.33  
Treatment
 Surgery only 236 117 119 0.397 0.85 ± 0.31 0.109
 Surgery and chemotherapy 177 97 80   0.92 ± 0.34  
 Surgery and radiotherapy 6 3 3   0.89 ± 0.25  
 Surgery and chemotherapy and radiotherapy 24 9 15   0.81 ± 0.34  
Deaths
 No 198 120 78 0.000 0.96 ± 0.35 0.000
 Yes 245 106 139   0.82 ± 0.29  
  1. Mean ± SD, Mean ± standard deviation
  2. *P values were calculated using the chi-squared test (χ2 test), p < 0.05 indicated significant differences
  3. **P values were calculated using unpaired Student’s t-tests or Mann–Whitney U test, p < 0.05 indicated significant differences