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Table 4 Comparison of dosimetric variables and treatment-related toxicities between patients with and without LS

From: Incidence and predictors of Lhermitte’s sign among patients receiving mediastinal radiation for lymphoma

     P Test
  All Patients No LS Value  
Characteristic (n = 106) LS (n = 75) (n = 31)   
Volume receiving 5 Gy, cm3
Median 29.9 29 31 0.25 Median
Mean 32.8 33.2 31.7   
Range 9.7–233 9.7–233 15.3–56.5   
Volume receiving 15 Gy, cm3
Median 23 22.6 25.9 0.25 Median
Mean 24.8 24.5 25.4   
Range 8.8–51.7 8.8–51.7 13.2–43   
Spinal cord maximum dose, Gy
Median 32.2 32.2 33 0.97 Median
Mean 32.7 32.4 33.5   
Range 18.2–47.2 18.2–47.2 28–43.5   
Spinal cord maximum dose, %
Median 100 100 100 0.33 Median
Mean 99 98 100   
Range 64–118 64–118 74–117   
Bleomycin toxicity
No 62 45 17 0.40 Fisher’s exact
Yes 17 10 7 0.37  
No bleomycin 27 20 7   
Peripheral neuropathy
No 53 39 14 0.43 Fisher’s exact
Yes 53 36 17 0.51