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Table 1 Test group: Univariate analysis of pre-treatment factors and the radiation regimen for survival

From: A validated survival score for patients with metastatic spinal cord compression from non-small cell lung cancer

  Survival Survival Median p-value
at 6 months (%) at 12 months (%) survival time (months)  
Age     
 ≤ 64 years 28 15 3  
 ≥ 65 years 30 15 4 0.50
Gender     
 Female 32 29 4  
 Male 27 10 4 0.13
ECOG Performance status     
 1-2 51 26 6  
 3-4 15 7 3 <0.001
Number of involved vertebrae     
 1-2 44 28 4
 ≥ 3 19 4 3 <0.001
Ambulatory status prior to RT     
 Not Ambulatory 12 7 2  
 Ambulatory before RT 44 21 5 <0.001
Other bone metastases     
 No 45 30 4  
 Yes 19 4 3 <0.001
Visceral metastases     
 No 56 38 9  
 Yes 15 3 3 <0.001
Interval from cancer diagnosis to radiotherapy of MSCC     
 ≤ 15 months 26 13 3  
 > 15 months 40 23 5 0.16
Time developing motor deficits     
 1-7 days 12 4 2  
 > 7 days 40 22 5 <0.001
Radiation regimen     
 Short-course radiotherapy 24 10 3  
 Longer-course radiotherapy 32 18 4 0.12