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Table 1 Clinicopathologic characteristics of patients with NSCLC and healthy controls

From: Osteopontin genetic variants are associated with overall survival in advanced non-small-cell lung cancer patients and bone metastasis

  No. of patients or controls  
Characteristics Case (n) Controls (n) P
No. 360 360  
Age, y    >0.05
Median 57.2 56.3  
Range 24-81 23-87  
Gender    >0.05
Male 199 197  
Female 161 163  
Smoking status    <0.01
Never 210 258  
Former 56 43  
Current 94 59  
KPS   - -
≥80 289 -  
<80 71 -  
Histology   -  
Squamous carcinoma 213 -  
Adenocarcinoma 111 -  
Others 36 -  
Tumor stage at diagnosis   -  
I 81 -  
II 96 -  
III 82 -  
IV 101 --  
Lymph node   --  
Positive 223 -  
Negative 137 -  
Bone metastasis   -  
Yes 79 -  
No 281 -  
  1. Note: For the smoking status, classification for tobacco consumption is never (<100 cigarettes lifetime), former (> 100 cigarettes lifetime and quit >12 months prior) and current.