Table 1.

Summary characteristics of patients in plasma sets 1 and 2

Diagnosis/classificationNo. of patientsMedian ageSex (%F)Median pack years*Mean b-variant (±SD)
Set 1170
 Stage 1 NSCLC526240N/d65.7 ± 40.0
 Stage 2 NSCLC666.550N/d94.8 ± 29.8
 Stage 3 NSCLC166638N/d103.6 ± 26.3
 Stage 4 NSCLC146943N/d85.0 ± 52.1
 Limited stage SCLC216748N/d112.0 ± 67.1
 Extensive stage SCLC106470N/d118.0 ± 70.1
 All cancer1196544N/d95.8 ± 51.8
 COPD55920N/d−0.3 ± 4.3
 Asthma1242.558N/d17.6 ± 16.9
 Anemia2047.580N/d23.7 ± 8.0
 No diagnosed disease143629N/d5.9 ± 12.3
 All noncancer514655N/d14.1 ±15.2
Set 2160
 Stage 1 squamous cell carcinoma2067204564.3 ± 32.0
 Stage 1 adenocarcinoma2071.5604135.2 ± 14.4
 Benign lung nodules206085208.6 ± 22.0
 Inflammatory lung disease2067.560306.3 ± 0.4
 Smokers8064.555346.35 ± 12.2
  • N/d, no data.

  • *One pack year is defined as 20 cigarettes smoked every day for a year.