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Table 1 Patient Characteristics

From: CXCR4 expression on circulating pan-cytokeratin positive cells is associated with survival in patients with advanced non-small cell lung cancer

  All patients
(N = 16)
Low risk group
(CXCR4 ≤ 2500 cells/ml)
(n = 11)
High risk group
(CXCR4 > 2500 cells/ml)
(n = 5)
Gender    
   F 8 5 3
   M 8 6 2
Age    
   Mean ± SD 69 ± 10 67 ± 11 74 ± 6
   Min-max, median 42–83, 73 42–79, 70 67–83, 73
Stage    
   IA 2 2 0
   IIIA 1 0 1
   IIIB 1 1 0
   IV 12 8 4
ECOG PS    
   0 10 7 3
   1 6 4 2
Histology    
   Adenocarcinoma 6 4 2
   Large cell 1 0 1
   Squamous cell 2 1 1
   Not Specified 7 6 1
Tobacco (pack-years)    
   0 2 2 0
   1–20 4 3 1
   >20 10 6 4
# of prior treatments    
   0 14 9 5
   1 2 2 0
Mean Survival (weeks) 65 ± 50 79 ± 46 34 ± 50
Median Survival (weeks) 60 (6-NA) NA (15-NA) 14 (6-NA)*
  1. NA, not achieved
  2. *p = 0.03 and hazard ratio of 0.23 (95% CI, 0.02–0.79) for median survival of low risk group versus high risk group (log-rank test).